Nguyễn Thị Minh Nguyệt

Cho hình chóp S.ABCD, ABCD là hình bình hành tâm O ; M ∈ SC, (α) qua AM và // BD

a) Chứng minh: (α) luôn đi qua 1 đường thẳng cố định

b) H là giao điểm của (α) và SB ; K là giao điểm của (α) và SD. Chứng minh:

\(\frac{SB}{SH}+\frac{SD}{SC}-\frac{SC}{SM}\) = không đổi

11. Is chasing

12. Is reading

13. Like

14. Is going / wants

15. Is studying / is listening

Having a smartphone will enable you to search for information wherever you want

It's ages since I last went to an Indian restaurant

2. This is the first time I have visited Japan

3. We haven't talked for a long time

The last time we talked was a long time ago

4. I haven't had such a delicious meal before

5. He has not earned any money for two months

6. I haven't eaten raw fish since I left Japan

They were driving home from the theater when the police stopped them

Because I want to work as an interpreter in the future, I am studying Russian at university

more stressful / better / worse / greener

1. forgetable => unforgettable

2. hard => harder

1. A. neatly and formal

2. B. on time or a few minutes early

3. B. before

4. D. best side

5. A. before

6. C. an engineer

1. on => in

2. was => were

3. export => exporting

1. My mother was cooking the dinner in the kitchen 6.30 yesterday evening

2. The tourists who are speaking to my sister come from canada

3. You are always making the same mistake

4. Would you mind if I turned on the radio?

5. I have lived in this city for over ten years

1. He is not tall enough to reach the bookself

2. Lan told me not to ask her about it

3. Do you mind if I use your pencil?

4. The toy made in Viet nam is kept in that box

5. Many trees have been planted in the park

1. A. There B. nothing C them D. father

=> B

2. A. surface B. pancake C. take D. face

=> B

3. A. area B. careful C. airmail D. parcel

=> D

4. A. pretty B. get C. wet D. upset

=> A

1. C. studying

2. B. to go

3. B. I'm used to living

4. A. did it win

5. B. me to come

6. A. difficulty to pass

7. B. after finding

8. D. have been learning

9. A. keep pace with you

10. C. doing

11. B. to visit

12. D. shouting

13. C. to going

1. going

2. playing

3. taking

4. watching

5. cooking

6. making

7. tidying

8. reading

9. waiting

10. flying

1. I have lost my (A) appetite. I don't want to eat anything

2. To make tea, first (D) boil the water in the kettle

3. Put a cassette in the player and (D) press the 'play' button

4. You can (B) adjust the quality of the sound by using the other controls

5. What a (an) (D) narrow street! Two cars can't pass through together

Tom need drink some water

(Từ "need" nếu không thêm "s" thì đóng vai trò là động từ khuyết thiếu. Nếu bạn ghi sai đề và từ "need" có "s" thì chia là "to drink" nha

He has been good to me since I was a little girl. I hope I won't forget his kindness

They were told this story by their grandmother when they visited her last week

Cho hình lập phương ABCD.A'B'C'D'. M, N, Q lần lượt là trung điểm của BC, C'D', AA'

a) Tìm E = MN giao (ACC'). Chứng minh: E là trung điểm của MN

b) Chứng minh: QE, AC', BD' đồng quy

c) Tìm I = BD' giao (MNQ). Chứng minh: I là trọng tâm tam giác MNQ

Xét khai triển (1+x)(1+2x)(1+3x)....(1+2019x) = a₀ + a₁x + a₂x² + a₃x³ +...+ a₂₀₁₉x²⁰¹⁹. Tính S = 2a₂ + (1¹ + 2² +...+ 2019²)

1. have learned

2. didn't work / were not

3. want to pass / will study

4. sent

5. was / think / learned

6. had gone / didn't enjoy

7. did / met

8. noticed / is

9. have / had

10. revise

11. have already begun

12. think / will do

13. is / isn't

14. pass / will start

15. will go

16. can see / have become

1. She has no friends in Hanoi

2. Mr.Brown is busy this afternoon

3. It is blue hat

4. Trung is the tallest in the group

5. Our house is the oldest house in the neighborhood

6. I am in the same class as her

1. A

2. B

3. C

4. C

5. C

6. D

7. A

1. Dickens "David Copperfield" is the most popular book

2. You should have considered our suggestion before making official decision

choose => choosing

( "by" là giới từ nên sau "by" là V_ing)

The policemen forced him to go with them to the police station

1. In spite of the bad weather, they din't cancel the flight to tokyo

2. They still live here although air is polluted

3. She can work even though it is very noisy

4. They drove fast although the road is narrow

5. She didn't stay at the hospital in spite of her bad heart disease

6. Although I couldn't sleep during the night in spite of, I could see nothing

7. In spite of the heavy case, he carried it easily

8. In spite of difficult questions, he answered all them

9. Despite her serious illness, she doesn't see her doctor

10. Despite the strong coffee, he can drink it

1. I didn't like her though she was very kind

2. Even though she was it, she went on working

3. We drove slowly because it was snowing

4. Larry is older than Meg although she is taller than he is

1. I will believe it when I see it

2. I will give you ring as soon as I get back

3. I will not speak to him until he says sorry

4. I will tell you my secret when I see you next time

They went on two-week holiday to tunisa

1. If Ba doesn't hurry, he will be late

2. If Hoa doesn't leave now, she won't catch the bus

3. If Hoa doesn't practice, her english won't improve

Are you happy to do charity work ?

1. People can not go skiing in the Alps if there is no snow

2. Unless Isabella runs, she will not catch the bus

3. You will be able to drive my car if you pass your driving test

4. Unless you go to bed early, you will be tired tomorrow

5. Ice will always melt if the air temperature is warm enough

6. I will not sign the contract unless you agree to it

7. If you have time, you will be able to visit the exhibition

1. Why didn't you go to the party last night?

2. I'm going to the post office to buy some stamps

3. You had better brush your teeth after every meal

4. If he doesn't study hard, his parents will feel angry

5. Have you ever visited London?

- Yes, I went there 2 years ago

6. She has never eaten a pizza before?

7. Yesterday, didn't I go to work ?

Peter asked me not to tell any body what had happened