III. Circle the error in each sentence: 1. Each climate zone has its specially features, which this research descri...

Luyện tập tổng hợp

Bạn chưa đăng nhập. Vui lòng đăng nhập để hỏi bài

Vu Cat Anh

10 tháng 8 2020 lúc 10:22

III. Circle the error in each sentence:

1. Each climate zone has its specially features, which this research describes in detail

A B C D

2. A little drivers realize how many individual parts are necessary to assemble a car

A B C D

3. Economists predict how much will the prices change and, what trends the stock market

A B C

should exhibit

4. Although Japan is crowded, the Japanese has a high standard of living

A B C D

5. All of the recipes in this cookbook has been test and adjusted for quantity

A B C D

6. He has less friends in his class now than he had last year.

A B C D

7. I remember that I have something new to told you.

A B C D

8. The little boy is very interested in football, but he is actually not good for playing.

A B C D

9. Had I heard the news last night, I would tell you about it.

A B C D

10. The result of that test must be inform before August.

A B C D

11. If you listen to the questions carefully, you would answer them easily

A B C D

12.Many people have complain about the dirty smoke from the factory

A B C D

13. The more honest we are in our trade, the more customer we’ll have

A B C D

14. He is believed be the best player in our team

A B C D

15. The older people are, the more weaker they are

A B C D

Lớp 10 Tiếng anh Luyện tập tổng hợp

Komorebi

10 tháng 8 2020 lúc 11:13

III. Circle the error in each sentence:

1. Each climate zone has its specially -> special features, which this research describes in detail

2. A little -> A few drivers realize how many individual parts are necessary to assemble a car

3. Economists predict how much will the prices change -> the prices will change and, what trends the stock market should exhibit

4. Although Japan is crowded, the Japanese has -> have a high standard of living

5. All of the recipes in this cookbook has been test -> tested and adjusted for quantity

6. He has less -> fewer friends in his class now than he had last year.

7. I remember that I have something new to told -> tell you.

8. The little boy is very interested in football, but he is actually not good for -> at playing.

9. Had I heard the news last night, I would tell -> would have told you about it.

10. The result of that test must be inform -> informed before August.

11. If you listen to the questions carefully, you would -> will answer them easily

12.Many people have complain -> complained about the dirty smoke from the factory

13. The more honest we are in our trade, the more customer -> customers we’ll have

14. He is believed be -> to be the best player in our team

15. The older people are, the more -> X weaker they are

Đúng 0

Bình luận (0)

Các câu hỏi tương tự

rin rin

22 tháng 3 2020 lúc 20:28

Đọc tiếp

REVISION FOR UNITS 2, 3 Part I. PHONETICS Exercise 1. Mark the letter A, B, C or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. 1.A.household B.bone C.oxygen D.role 2.A.breath B.bean C.strength D.meant 3.A. palate B. debate C. climate D. private 4.A. educate B. concentrate C. decorate D. fortunate 5.A. indecate B. numerate C. accurate D. passionate Exercise 2. Mark the letter A, B, C or D to indicate the word which has a different stress pattern from the other three in pronunciation in each of the following questions 1.A.disease B. nervous C.balance D. healthy 2.A.digestive B. allergic C. skeletal D. intestine 3.A.complicated B. bacteria C. moderately D. acupuncture 4.A. trumpet B. spirit C. crazy D. release 5.A. vocalist B. competent C. appearance D. platinum Part II. VOCABULARY Exercise 1. Mark the letter A, B, C or D to indicate the correct answer to each of the following questions. 1. Nowadays, there is estimated to be more than 2000 acupoints throughout the human body A. stress B.pressure points C. paints D. lines 2. Do you know what the saying “ kick a habit ” means ? A. Wow, She has a good habit B. I think it has the same meaning to getting rid of a habit C. I don’t mean that D. Are you kidding ? 3. I have been given 10 tricks to get rid of my bad habits and ............. them with healthy ones. A. replace B.keep C. nurture D. raise 4. The digestive system lets us break down the food we eat and turn it .............. energy. A. on B.after C. of D. into 5. “The lecturer splits the 4 groups” has the closest meaning to A. The students are divided into 4 groups B. The lecturer divided the students into 4 groups C. The lecturer is split into 4 groups of students D. The lecturer went into 4 groups of students 6. In the past, it was misunderstand that inner body parts were ............ by the fine needles in practicing acupuncture. A. touch B.rush C. touched D. rushed 7. The ............... system controls the movement and emotion of our body. A. nerve B.nervous C. circulate D. generous 8. The heart and blood vessels are parts of the .................. system. A.certan B.circle C. circulatory D. circumstance 9. Only human produce ......................... tears A.emotional B.crocodile C. feel D. false 10. To be recognized, this research must offer real evidence. The underlined word has the closest meaning to: A.knowledge B.exist C. condition D. proof 11. He was one of the most prominent .............. during the international liberation movement A. math B. numbers C. figures D. calculation 12. The football match was wonderful at the beginning, ................. it was awful at the end. A. but B. and C. or D. so 13. These days, things have become more convenient, for example, you can buy airline tickets at air agencies, ............. you can purchase the online. A. yet B. for C. so D. or 14. This will be a hopeful season of this entertainment format to air in the near future.The underlined word has the closest meaning to: A. breathe out B. breathe in C. broadcast D. inhale 15. You should feel happy because your mum and dad always encourage you ............... hard A. work B. to work C. worked D. working 16. I think that they will not agree to let you ............. out late at night. A. go B. going C. to go D. gone 17. He is looking forward ................... this result from this contest. A. receive B. receiving C. to receive D. to receiving 18. It took my teacher nearly 3 years ............... his rearch on motivating students in learning English by using word games. A. complete B. to completing C. completed D.to complete 19. He was also the first ................. artist to have four singles to enter the Top 40 A. chorus B. solo C. simple D. private 20. Lately, several oils, including rose and lemon have been shown .................. anxiety, stress and depression. A. relieve B. to relieve C. to relieved D. to relieving Part III. GRAMMAR Exercise 1. Give the correct form of the verbs in brackets (be going to or will) 1. Listen! There's someone at the door. I ........................the door for you. (open) 2. “Look at those dark clouds!“ - “Yes, it ........................in some minutes.” (rain) 3. It‘s very hot. ........................the window, please? (open) 4. On Sunday at 8 o‘clock I ........................my friend. (meet) 5. Wait! I ........................you to the station. (drive) 6. I ........................my sister in April as planned. (see) 7. Perhaps I ........................New York one day. (visit) 8. I ........................my parents at the weekend. I already bought a train ticket. (visit) 9. Don‘t touch that dog. It ........................you. (bite) 10. What time ........................tomorrow? (leave) Exercise 2. Give the correct form of the verbs in brackets (bare infinitive or to infinitive) 1. They let us ( use ) ........................ this room for our study 2. I decided ( do ) ...................... a hotel management course in 2012 3. Their clients agree ( pay ) ................... by check 4. Recently, her husband has made her ( stay ) ...................... at home. 5. The course help me ( understand ) .............................. my cat better. 6. Their family didn’t want ( move ) ...................... to Scotland last year. 7. Taking part in many contests has taught me ( perform ) ............................ more confidently. 8. He was made ( hand ) ................... over all of his property. 9. Have you ever hoped ( see ) .................. your idol in real life? 10. I chose ( not participate ) ........................... in that competition. Exercise 3. Rewrite the sentences in negative and question form 1. Tim plans on seeing the doctor later about his bad back. ___________________________________________________________________________________(-) ___________________________________________________________________________________? 2. The waitress brought him a big steak. ___________________________________________________________________________________(-) ___________________________________________________________________________________? 3. You’ll get a rise in salary after six months. ___________________________________________________________________________________(-) ___________________________________________________________________________________?

Xem chi tiết

Lớp 10 Tiếng anh Luyện tập tổng hợp

kim seo jin

18 tháng 2 2020 lúc 22:37

Read the passage and mark the letter A, B, C or D to indicate the correct answer to each of the questions. The food we eat seems to have profound effects on our health. Although science has made enormous steps in making food more fit to eat, it has, at the same time, made many foods unfit to eat. Some research has shown that perhaps eighty percent of all human illnesses are related to diet and forty percent of cancer is related to the diet as well, espe...

Đọc tiếp

Read the passage and mark the letter A, B, C or D to indicate the correct answer to each of the questions.

The food we eat seems to have profound effects on our health. Although science has made enormous steps in making food more fit to eat, it has, at the same time, made many foods unfit to eat. Some research has shown that perhaps eighty percent of all human illnesses are related to diet and forty percent of cancer is related to the diet as well, especially cancer of the colon. People of different cultures are more prone to contract certain illnesses because of the characteristic foods they consume.

That food is related to illness is not a new discovery. In 1945, government researchers realized that nitrates and nitrites (commonly used to preserve color in meat) as well as other food additives caused cancer. Yet, these carcinogenic additivesremain in our food, and it becomes more difficult all the time to know which ingredients on the packaging labels of processed food are helpful or harmful.

The additives that we eat are not all so direct. Farmers often give penicillin to cattle and poultry, and because of this, penicillin has been found in the milk of treated cows.

Sometimes similar drugs are administered to animals not for medicinal purposes, but for financial reasons. The farmers are simply trying to fatten the animals in order to obtain a higher price on the market. Although the Food and Drug Administration (FDA) has tried repeatedly to control these procedures, the practices continue.

A healthy diet is directly related to good health. Often we are unaware of detrimental substances we ingest. Sometimes well-meaning farmers or others who do not realize the consequences add these substances to food without our knowledge.

46. The word “fit” is closest in meaning to __________.

A. athletic B. adaptable C. suitable D. tasty

47. The word “prone” is closest in meaning to __________.

A. supine B. unlikely C. healthy D. predisposed

48. The word “these” refers to_____________.

A. researchers B. nitrates and nitrites C. meats D. colors

49. What are nitrates used for?

A. They preserve flavor in packaged foods B. They cause the animals to become fatter

C. They are the objects of research D. They preserve the colour of meat

50. All of the following statements are TRUE EXCEPT __________.

A. Researchers have known about the potential hazards of food additives for more than forty-five years.

B. Drugs are always given to animals for medical reasons

C. Food may cause forty percent of the cancer in the world.

D. Some of the additives in our food are added to the food itself and some are given to the living animals.

Xem chi tiết

Lớp 10 Tiếng anh Luyện tập tổng hợp

Ngọc Thảo Phạm

11 tháng 7 2018 lúc 17:59

Choose the right word or phrase best completes the sentence: 1. Three weeks _______not enough holiday. A. are B. were C. was D. been 2. Each of you ____ a share in the work. A. having B. has C. to have D. have 3. A number of students ____ volunteered to the job. A. have B. has C. to have D. having 4. Linguistics ____ o...

Đọc tiếp

Choose the right word or phrase best completes the sentence:

1. Three weeks _______not enough holiday.

A. are B. were C. was D. been

2. Each of you ____ a share in the work.

A. having B. has C. to have D. have

3. A number of students ____ volunteered to the job.

A. have B. has C. to have D. having

4. Linguistics ____ out the ways in which languages work.

A. find B. finding C. to find D. finds

5. The Philippines ____ of more than 7,000 islands.

A. consist B. consisting C. consisted D. consists

6. The United Nations ____ its head quarters in New York city.

A. have B. having C. has D. to have

7. One of my neighbours ____ curious about other people’s private life.

A. being B. were C. is D. been

8. Tom doesn’t agree but the rest of us ____.

A. does B. done C. do D. doing

9. There ____ a few flowers in this garden last summer.

A. being B. were C. are D. is

10. A large number of reporters ____ at the meeting yesterday.

A. being B. were C. are D. is

11. Much progress ____ been made in recent years.

A. have B. has C. having D. to have

12. Collecting old coins and paper notes ____ one of my hobbies.

A. being B. were C. are D. is

13. The number of pupils getting poor marks since the beginning of the semester ____ appalling.

A. to be B. have been C. are D. is

14. Five thousand pounds ____ stolen in the robbery last night.

A. being B. were C. are D. was

15. Mr. Thomson with his wife and his three children ____ abroad.

A. to be B. have been C. are D. is

16. One of the girls who ____ working in this department ____ my niece.

A. is/being B. are/is C. is/are D. was/were

17. The English ____ to drink tea.

A. likes B. to like C. like D. has liked

18. Everybody ____ trying to do their best at present.

A. to be B. have been C. are D. is

19. Jim as well as I ____ always busy doing English homework.

A. am B. has been C. are D. is

20. Neither Daisy nor I ____ glad to do that.

A. am B. has been C. are D. is

21. That you take a computer course ____ very necessary.

A. am B. have been C. are D. is

22. The police ____ come to the site of the accident.

A. have B. has C. having D. to have

23. The pilot along with his passengers ____ rescued last night.

A. am B. have been C. was D. is

24. What we need most ____ books.

A. is B. were C. are D. to be

25. My brother together with his friends often ____ in the park.

A. jogs B. jogging C. jog D. to jog

26. Neither he nor they ____ here yesterday.

A. are B. were C. is D. be

27. Either John or his children ____ breakfast each morning.

A. make B. makes C. making D. to make

28. I don’t like the hot weather. Thirty degrees ____ too warm for me.

A. was B. are C. being D. is

29. Not only a dog but also two cats ____ at home in his garage.

A. was B. are C. been D. is

30. Both a poem and a short story ____ been written by the young author.

A. has B. to have C. have D. having

Xem chi tiết

Lớp 10 Tiếng anh Luyện tập tổng hợp

vung nguyen thi

21 tháng 10 2017 lúc 19:37

Đọc tiếp

Choose the correct answer (5ms)
1. This computer isn’t capable _________ running this software,
A. in B. on C. for D. of
2. The children want to learn _________ to use a computer.
A. how B. why C. what D. when
3. Ann quit her job at the advertising company, _________ surprised everyone.
A. which B. that C. who D. whom
4. When I found the letter, someone_________ it.
A. already had opened B. already opened
C. had already opened D. has already opend
5. The digital camera _________ three years ago but it is still in good condition.
A. bought B. buys C. was bought D. has been bought
6. The computer helps you to interact _________ other people around the world.
A. by B. for C. at D. with
7. In spite of her deafness, she played the violin very well.
A. inability to speak B. inability to see
C. mentally impairment D. inability to hear
8. The unemployed _________ a low living standard.
A. has B. having C. to have d. have
9. Miss Thuy enjoys teaching her students, some of whom are _________ retarded.
A. mental B. mentally C. mention D. mentality
10. Life seems easy for people who have a job but it is not easy for the _________.
A. unemployed B. unemployment C. employee D. employment

Xem chi tiết

Lớp 10 Tiếng anh Luyện tập tổng hợp

nanako

18 tháng 9 2019 lúc 20:54

Chọn câu trả lời đúng: 1. Do you think food, air and clothes.....necessary for life? A. were B. are C. have been D. will be 2. My uncle....a visit to Germany in 2005 A. paid B. pays C. has paid D. will pay 3. How.....to work as a rule? A. do you getting B. do you get C. did you get D. will you get 4. The World War 2.....in 1939 and.......in 1945 A. begins/ends B. had begun/ended C/ has begun/had ende...

Đọc tiếp

Chọn câu trả lời đúng:

1. Do you think food, air and clothes.....necessary for life?

A. were B. are C. have been D. will be

2. My uncle....a visit to Germany in 2005

A. paid B. pays C. has paid D. will pay

3. How.....to work as a rule?

A. do you getting B. do you get C. did you get D. will you get

4. The World War 2.....in 1939 and.......in 1945

A. begins/ends B. had begun/ended C/ has begun/had ended D. began/ended

5. Our principal....to Thailand several times

A. was B. had been C. is D. has been

6. Yesterday I.......at the bus-stop just in time to catch the first bus

A. came B. went C. go D. sail

Sửa lỗi sai:

1. We know that (there is) (no) point in (help) the pupis (at present)

2. (Would you) be (enough kind) to (open) the doors, please?

3. He (has) so (many) that he (doesn't) know (what) to do with it

Xem chi tiết

Lớp 10 Tiếng anh Luyện tập tổng hợp

nanako

12 tháng 11 2019 lúc 17:15

Chọn câu trả lời đúng: 1. The scientific.....improved her capacity of working in the laboratory significantly A. course B. reference C. training D. book 2. Nowadays, email is the best means.....communication A. of B. on C. in D. at 3. The result of our exam will be....on the website of our school next week A. announced B. removed C. taken D. got 4......did Paul study medicine at university? For 7 years A. when B. what ye...

Đọc tiếp

Chọn câu trả lời đúng:

1. The scientific.....improved her capacity of working in the laboratory significantly

A. course B. reference C. training D. book

2. Nowadays, email is the best means.....communication

A. of B. on C. in D. at

3. The result of our exam will be....on the website of our school next week

A. announced B. removed C. taken D. got

4......did Paul study medicine at university? For 7 years

A. when B. what year C. how long D. how

5. In my childhood, we.....much TV inside the house in hot weather

A. aren't watch B. don't watch C. won't watch D. didn't watch

6....girl in the class won the schoolarship?

A. what B. who C. whom D. which

7. The little girl started to cry. She....her doll and no one was able to find it for her

A. has lost B. had lost C. was losing D. loses

Xem chi tiết

Lớp 10 Tiếng anh Luyện tập tổng hợp

Cao Xuyến Chi

31 tháng 7 2020 lúc 19:36

Exercise 2 : Find the part that needs correcting 21. Thank you for ( A ) your letter , which ( B ) you invited ( C ) me to ( D ) your wedding . 22. The girl who ( A ) Tuan is talking is the most intelligent ( B ) one ( C ) I have ever known . ( D ) 23. She is in charge of ( A ) making ( B ) the candidate list which ( C ) I want to add myself ( D ) . 24. The village which ( A ) Napoleon lost ( B ) the last battle ( C ) was ( D ) Waterloo . 25. The ( A ) first person finishing ( B ) the exerc...

Đọc tiếp

Exercise 2 : Find the part that needs correcting

21. Thank you for ( A ) your letter , which ( B ) you invited ( C ) me to ( D ) your wedding .

22. The girl who ( A ) Tuan is talking is the most intelligent ( B ) one ( C ) I have ever known . ( D )

23. She is in charge of ( A ) making ( B ) the candidate list which ( C ) I want to add myself ( D ) .

24. The village which ( A ) Napoleon lost ( B ) the last battle ( C ) was ( D ) Waterloo .

25. The ( A ) first person finishing ( B ) the exercise will receive ( C ) a big present from ( D ) the teacher .

26. He decided ( A ) to see ( B ) the doctor , that ( C ) is a ( D ) good idea .

27. The light has gone out ( A ) , this ( B ) makes it ( C ) difficult to continue ( D ) the lesson .

28. You will enjoy ( A ) the views in Hanoi ( B ) which ( C ) is the capital of ( D ) Vietnam .

29. What are ( A ) the people who lives ( B ) in the other ( C ) parts of Vietnam like ( D ) ?

30. This is the ( A ) picture of ( B ) the missing ( C ) girl for whom ( D ) we are looking .

Xem chi tiết

Lớp 10 Tiếng anh Luyện tập tổng hợp

Yuuko

21 tháng 4 2020 lúc 18:43

Choose the letter A, B, C, or D to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions. 11. Sperm whale populations are at risk due to hunting. A. in danger B. at hand C. on purpose D. in use 12. There is a wide variety of opinions on sea food cultivation. A. same B. diversity C. supply D. Interaction 13. Sperm whales and sharks are carnivores. A. animals that live in the sea B. animals that only eat plants. C. fish that aren’t born fr...

Đọc tiếp

Choose the letter A, B, C, or D to indicate the word or phrase that is CLOSEST in meaning to
the underlined part in each of the following questions.
11. Sperm whale populations are at risk due to hunting.
A. in danger B. at hand C. on purpose D. in use
12. There is a wide variety of opinions on sea food cultivation.
A. same B. diversity C. supply D. Interaction
13. Sperm whales and sharks are carnivores.
A. animals that live in the sea B. animals that only eat plants.
C. fish that aren’t born from eggs D. animals that eat meat.
14. How many offspring does a sperm whale usually have?
A. eggs B. mammals C. babies D. diets.
15. Some marine animals are dangerous to humans.
A. living in the mountain B. living in the ocean
C. living in the forest D. living in the house
16. They tried to find a way of bettering their lives.
A. moving B. changing C. achieving D. improving
17. If modern technology did not exist, we would never have such precious information.
A. valuable B. precise C. confidential D. detailed
18. The floor was covered in tiny pieces of paper.
A. many B. very large C. extremely small D. unimportant

Circle the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of
the following questions.
19. Her word has enormously contributed ____________ the charity collection.
A. for B. on C to D. in
20. There is one ocean and it is divided ____________ five different parts: the Pacific, Atlantic,
Antarctic, and Arctic Oceans.
A. into B. of C. in D. at

Mới vào, xin giúp đỡ ạ :3

Xem chi tiết

Lớp 10 Tiếng anh Luyện tập tổng hợp

Deo Ha

14 tháng 11 2018 lúc 21:55

III. Choose the best answer to complete each of the following sentences. 1. The old __________ it difficult to go out. A. find B. finds C. finding D. to find 2. She used to __________ in the countryside. A. living B. lives C. lived D. live 3. __________ much time do you take exercise every day? A. Wha...

Đọc tiếp

III. Choose the best answer to complete each of the following sentences.

1. The old __________ it difficult to go out.

A. find B. finds C. finding D. to find

2. She used to __________ in the countryside.

A. living B. lives C. lived D. live

3. __________ much time do you take exercise every day?

A. What B. How C. Why D. Where

4. The computer is capable __________ doing everything you need.

A. to B. for C. of D. on

5. Could you tell me what the scanner is used __________?

A. to B. for C. of D. about

6. Do you know how __________ the CD player?

A. to operate B. operate C. operating D. operates

7. The key __________ in the fair.

A. has lost B. loses C. lost D. has been lost

8. The woman __________ you met yesterday is my father.

A. whom B. which C. when D. her

9. I didn’t have time to write __________ Mai earlier.

A. for B. to C. of D. on

10. I am __________ to Quang Ngai tomorrow.

A. go B. to go C. going D. went

11. Lan is going on a __________ trip.

A. three-days B. three day C. three days D. three-day

12. This is the table __________ who my father bought last year.

A. which B. who C. whom D. it

13. The stock market __________ by the recent economic news.

A. has affected B. affected C. was affected D. has been affected

14. Political tensions __________ this area for years.

A. has been plagued B. have plagued C. plagued D. have been plagued

15. A large number of animals __________ since Dolly the sheep.

A. has been cloned B. have been cloned C. have cloned D. has cloned

16. The market saturation __________ the introduction of new technology.

A. have delayed B. has delayed C. has been delayed D. delays

17. New problems with the drug __________ in recent years.

A. have uncovered B. have been uncovered C. uncovered D. were uncovered

IV. Choose the underlined part (A, B, C or D) that needs correcting.

1. There are five disable children in my village.

A B C D

2. I go to school on the morning every day.

A B C D

3. Pressing the button when you hear the sound.

A B C D

4. A new house has built in my neighborhood.

A B C D

5. Could you tell me about the man which came to your house yesterday?

A B C D

6. Cold weather makes me to feel uncomfortable.

A B C D

7. Linh is a cousin of me.

A B C D

8. I didn’t go to the cinema for a long time.

A B C D

9. It’s very surprised that he came to class late.

A B C D

10. The door is shut and either is the window.

A B C D

11. We have recently studied rock formations, so we want visit some caves.

A B C D

12. Lam is one of the participant on a boat trip to Ha Long Bay.

A B C D

13. Yesterday our class decide to go to the Botanical Garden.

A B C D

14. Her class is going to have picnic in Sa Pa this weekend.

A B C D

15. There is a good film on at Sao Mai Cinema tonight. Would you like coming?

A B C D

V. Complete the sentences by filling in the appropriate form of “used to”.

1. In the 1950’s people in small towns ___________________ lock their front door very often.

2. Susan said she ___________________ care for jazz until she heard Miles Davis.

3. When I was a kid, I ___________________ believe there were monsters under my bed.

4. I ___________________ like veggies at all, but now there many I really enjoy.

5. A hundred years ago, many women ___________________ make their own clothes.

VII. Put the verbs in brackets in the correct tense form.

1. I (not want) _________________ to go for a walk now. It (rain) ________________ heavily outside.

2. We (live) _________________ here for twenty-four years.

3. If I (be) ______________ you, I (not spend) ______________ so much time on computer games.

4. I remember (hear) _________________ him say the grass needed (cut) _________________.

5. My brother decides (buy) _________________ a house next year.

Xem chi tiết

Lớp 10 Tiếng anh Luyện tập tổng hợp

Luyện tập tổng hợp

Khoá học trên OLM (olm.vn)

Khoá học trên OLM (olm.vn)

Luyện tập tổng hợp

Câu hỏi

Khoá học trên OLM (olm.vn)

Khoá học trên OLM (olm.vn)