Cho đoạn thẳng BC. Gọi I là trung điểm của BC. Trên đường trung trực của BC lấy điểm A (A khác I)

Chứng minh AIB = AIC.

Kẻ IH vuông góc với AB, kẻ IK vuông góc với AC.

Chứng minh AHK cân.

Chứng minh HK//BC.

ɪFill in the blank with the correct form of the verbs in the box.

start

have

take

eat

stop

return

buy

meet

travel

move

tell

My family to this apartment three years ago.

My uncle me to the zoo last Sunday.

Nam a party at that restaurant on his birthday last Saturday.

I a lot of gifts for my family when I to Singapore last month. .

I to Nha Trang last week by train.

I a lot of ice-cream last night, that‟s why I have a stomachache now.

It to rain heavily on my way home so I at a bus stop.

Give the correct form of the verbs in the past tense.

do

teach

send

spend

begin

cut

put

give

write

be

buy

have

take

go

make

think

see

eat

sing

wear buy

have

take

go

make

think

see

eat

sing

wear

Arrange the verbs pronouncing “ed”.

listened

wrapped

painted

raised

looked

needed

visited

rained

watched

opened

helped

seemed

learned

practiced

stopped

remembered

worked

rented

arrived

talked

lived

liked

invited

received

washed

/id/

t/

/d/

Give the correct form of the verbs. A.

Lan: Where (1. you/spend) your summer vacation, Hoa?

Hoa: I (2. go) to Tri Nguyen Aquarium in Nha Trang with my family. Lan: What (3. you/see) there?

Hoa: I (4. see) a lot of types of fish and turtles. Lan: (5. you/buy) any souvenirs?

Hoa: Yes, I (6. buy) several beautiful souvenirs for my friends in the souvenir shop. I also (7. get) a big shell for myself. I (8. enjoy)

the trip very much.

B.

Nam: How (1. be) your trip to Da Lat last week, Ba? Ba: It (2. be) great. I (3. enjoy) it very much. Nam: What (4. you/do) there?

Ba: I (5. visit) Love Valley, Xuan Huong Lake, and some famous pagodas.

I also (6. have) a boat trip on Tuyen Lam Lake.

Fill in the blank with the correct form of the verbs in the box.

start

have

take

eat

stop

return

buy

meet

travel

move

tell

My family to this apartment three years ago.

My uncle me to the zoo last Sunday.

Nam a party at that restaurant on his birthday last Saturday.

I a lot of gifts for my family when I to Singapore last month. .

I to Nha Trang last week by train.

I a lot of ice-cream last night, that‟s why I have a stomachache now.

It to rain heavily on my way home so I at a bus stop.

This morning I one of my old friends on the way to school. She me about her new job.

Choose the right answer.

(Were/ Was) the weather nice yesterday?

Did you (get up/ got up) late this morning?

(Were/ Was) you born in 1997?

Did you (have/ had) a pizza for lunch yesterday?

Did you (go/ went) to Nha Trang last summer?

Ba is a good friend of (me/mine)

Was Lan at the movie theater last night? - Yes, she (was/ did) .

(Were/ Did) the Browns return to Ha Noi by train?

We went to Hue (by/ on) plane.

Hoa learned how (using/ to use) a sewing machine.

Give the correct form of the verbs in the past tense.

do

teach

send

spend

begin

cut

put

give

write

be

buy

have

take

go

make

think

see

eat

sing

wear buy

have

take

go

make

think

see

eat

sing

wear

Arrange the verbs pronouncing “ed”.

listened

wrapped

painted

raised

looked

needed

visited

rained

watched

opened

helped

seemed

learned

practiced

stopped

remembered

worked

rented

arrived

talked

lived

liked

invited

received

washed

/id/

t/

/d/

Give the correct form of the verbs. A.

Lan: Where (1. you/spend) your summer vacation, Hoa?

Hoa: I (2. go) to Tri Nguyen Aquarium in Nha Trang with my family. Lan: What (3. you/see) there?

Hoa: I (4. see) a lot of types of fish and turtles. Lan: (5. you/buy) any souvenirs?

Hoa: Yes, I (6. buy) several beautiful souvenirs for my friends in the souvenir shop. I also (7. get) a big shell for myself. I (8. enjoy)

the trip very much.

B.

Nam: How (1. be) your trip to Da Lat last week, Ba? Ba: It (2. be) great. I (3. enjoy) it very much. Nam: What (4. you/do) there?

Ba: I (5. visit) Love Valley, Xuan Huong Lake, and some famous pagodas.

I also (6. have) a boat trip on Tuyen Lam Lake.

Fill in the blank with the correct form of the verbs in the box.

start

have

take

eat

stop

return

buy

meet

travel

move

tell

My family to this apartment three years ago.

My uncle me to the zoo last Sunday.

Nam a party at that restaurant on his birthday last Saturday.

I a lot of gifts for my family when I to Singapore last month. .

I to Nha Trang last week by train.

I a lot of ice-cream last night, that‟s why I have a stomachache now.

It to rain heavily on my way home so I at a bus stop.

This morning I one of my old friends on the way to school. She me about her new job.

Choose the right answer.

(Were/ Was) the weather nice yesterday?

Did you (get up/ got up) late this morning?

(Were/ Was) you born in 1997?

Did you (have/ had) a pizza for lunch yesterday?

Did you (go/ went) to Nha Trang last summer?

Ba is a good friend of (me/mine)

Was Lan at the movie theater last night? - Yes, she (was/ did) .

(Were/ Did) the Browns return to Ha Noi by train?

We went to Hue (by/ on) plane.

Hoa learned how (using/ to use) a sewing machine.

Bài tập:

Câu 1: Cho biết tác dụng của dấu chấm lửng trong những câu dưới đây

1/ Khốn nạn..Ông giáo ơi... Nó có biết gì đâu! Nó thấy tôi gọi thì nó chạy về

ngay, vẫy đuôi mừng.

2/ Nghị quyết đã ghi rõ: Các dân tộc (.) được dùng tiếng mẹ đẻ của mình

trong sinh hoạt chính trị, kinh tế và văn hóa của họ.

3/ Một anh đội viên đứng lên bờ tường hô:

- Yêu cầu cho tiếp vi...ệ...n...!

4/ Giơ tay hang tuốt quân ta

Té ra Công sự chỉ là Công..tol.

5/ Con sẽ cay đắng khi nhớ lại những lúc đã làm cho mẹ đau long...Con sẽ không thể sống thanh thản, nếu đã làm cho mẹ buồn phiền,

Viết một bài văn ngắn (khoảng 1 trang giấy) với chủ đề tự chọn, trong đó có sử dụng dấu: chấm lửng, chấm phẩy, gạch ngang.

Make questions for the underlined words or phrases

1. The dictionary is 200,000dong.

...............................................................................................................................................

2. I made it from a piece of wood.

................................................................................................................................................

3. She bought it at the shop over there.

................................................................................................................................................

4. No, I wasnt. (I was tired after the trip.)

................................................................................................................................................

5. It took her three hours to finish the composition.

................................................................................................................................................

6. I need a phone card to phone my parents.

................................................................................................................................................

7. Its about 1,500 km from Hue to Ho Chi Minh City.

................................................................................................................................................

8. The bank is opposite the restaurant.

................................................................................................................................................

9. The dress looked very nice.

................................................................................................................................................

10. I saw her last night.

................................................................................................................................................

11. Her neighbor gave her a nice dress.

................................................................................................................................................

12. They returned to America two weeks ago.

................................................................................................................................................

13. Mrs. Robinson bought a poster.

................................................................................................................................................

14. My father was in Ha Noi last month.

................................................................................................................................................

15. He traveled to Nha Trang by coach.

................................................................................................................................................

16. She went to the doctor because she was sick.

................................................................................................................................................

17. Nam left home at 7 oclock yesterday.

................................................................................................................................................

18. He taught English in the high school.

................................................................................................................................................

19. The homework was very difficult yesterday.

................................................................................................................................................

20. She often does the housework after doing exercises.

................................................................................................................................................

21. They are planting some roses in the garden.

................................................................................................................................................

22. Liz will send these letters to her friends.

................................................................................................................................................

23. My favorite subject is Math.

................................................................................................................................................

24. Yes, we do. (We have magazines and newspapers)

................................................................................................................................................

25. I often listen to music in my free time.

................................................................................................................................................

26. Yes, he is. (He is good at drawing)

................................................................................................................................................

27. She learns about computers in computer science class.

................................................................................................................................................

28. My mother is cooking in the kitchen at the moment.

...............................................................................................................................................

29. Lan likes playing table tennis.

................................................................................................................................................

30. I go to the movies twice a week.

................................................................................................................................................

31. They go to the beach on the summer holidays.

...............................................................................................................................................

32. They stay in a hotel.

...............................................................................................................................................

Bài tập thực hành chuyển đổi because / because of / although / in spite of / despite …

1. Although she was ill, she went to school.

- In spite of....................................................................................................................................

2. He didn’t come because he was sick.

- He didn’t come because of.........................................................................................................

3. She didn’t eat much though she was hungry.

- Despite........................................................................................................................................

4. The train was late because the fog was thick.

- Because of..................................................................................................................................

5. I accepted the job although the salary was low.

- In spite of....................................................................................................................................

6. The plane couldn’t take off because the weather was bad.

- Because of..................................................................................................................................

7. She stayed at home because her mother was sick.

- Because of..................................................................................................................................

8. He didn’t leave school even though his family was poor.

- Despite........................................................................................................................................

9. All the teachers love him because his conduct is good.

- Because of..................................................................................................................................

10. The flight was not delayed though it was foggy.

- Despite........................................................................................................................................

11. We couldn’t study because it was noisy.

- Because of..................................................................................................................................

12. Even though it was cold, I went swimming.

- In spite of....................................................................................................................................

13. These students didn’t arrive late although there was the traffic jam.

- Despite........................................................................................................................................

14. Mary can’t sleep because there was the noise.

- Because of..................................................................................................................................

15. She didn’t get ill though she worked very hard.

- In spite of....................................................................................................................................

16. His wife usually gives him a list because he often forgets things.

- Because of..................................................................................................................................

17. Though he had much experience, he didn’t succeed in repairing the machine.

- Despite........................................................................................................................................

18. Though Kid has failed so often, he has never been disappointed.

- Despite........................................................................................................................................

19. Though I hadn’t eaten anything for 24 hours, I didn’t feel hungry.

- In spite of....................................................................................................................................

20. He ate all the fruits though they were green.

- He ate all the fruits despite.........................................................................................................

21. He left school because his life was hard.

- Because of .................................................................................................................................

22. Although he hadn’t finished the paper, he went to sleep.

- Despite........................................................................................................................................

23. He is dismissed because of being late for work often.

- Because.......................................................................................................................................

24. Because of driving too fast, he caused a serious accident.

- Because.......................................................................................................................................

25. Although the streets are narrow, many people drive cars in this city.

- In spite of....................................................................................................................................

26. Because he got up early, he wasn’t late for the first train.

- Because of..................................................................................................................................

27. Although he is strong, I’m not afraid of him.

- In spite of....................................................................................................................................

28. My neighbor couldn’t return home because of losing all of his money.

- Because.......................................................................................................................................

29. He carried the bed onto the roof of his house because of the hot weather.

- Because.......................................................................................................................................

30. I can sleep although it is hot.

- In spite of....................................................................................................................................

1. Although she was ill, she went to school.

- In spite of....................................................................................................................................

2. He didn’t come because he was sick.

- He didn’t come because of.........................................................................................................

3. She didn’t eat much though she was hungry.

- Despite........................................................................................................................................

4. The train was late because the fog was thick.

- Because of..................................................................................................................................

5. I accepted the job although the salary was low.

- In spite of....................................................................................................................................