Bài 1: Viết lại câu, sử dụng "I don't know"

Ex: where is Tom?

I don't know where Tom is

1, How did you parents go there last night?

=> i don't know how your parents went there last night

2, Where were Peter and David?

=> i don't know where peter and David were

3, What did she think of that project?

=> i don't know what she thought of that project

4, How long will they stay at the birthday party?

=> i don't know how long they will stay at the birthday party

5, What did your mother buy yesterday?

=> i don't know what your mother bought yesterday

20 < 25 => \(\sqrt{20}< \sqrt{25}\)= 5 => 20 + \(\sqrt{20}\)< 20 + 5 = 25 => \(\sqrt{20+\sqrt{20}}< \sqrt{25}\)= 5

Tiếp tục như vậy,ta có B < 5 (1)

24 < 27 => \(\sqrt[3]{24}< \sqrt[3]{27}\)= 3 => 24 +\(\sqrt[3]{24}\)< 24 + 3 = 27 => \(\sqrt[3]{24+\sqrt[3]{24}}< \sqrt[3]{27}\)= 3

Tiếp tục như vậy,ta có C < 3 (2).Cộng (1) và (2),vế theo vế,ta có B + C < 5 + 3 = 8

Em mới học lớp 7 thôi,chưa biết chứng minh B + C > 7.

I started to work as a volunteer three years ago .(have)

=> i have worked as a volunteer for three years

1. Beauty/the natural/of Da Lat./enjoyed/The student

=> the student enjoyed the natural beauty of Da Lat

2. He regretted not ..to say.. goodbye to her at the airport

3. What .were.. you doing when I called yesterday? - I was reading a wonderful books.

4. are/ animals/the largest/in the world./Dinosaurs

=> Dinosaurs are the largest animals in the world

5. I went there and asked them how much .......

A. The course fees is

B. The course fees were

C. Is the course fees

D. Were the course fees

6. IMPRO__V_EMENT

7. Tom/in the house/used to live/at the end/ of the street.

=> Tom used to live in the house at the end of the street

8. Best/it’s probably/use rickshaws./In Delhi,/to

=> it's probably to use rickshaws best in Delhi

9. Jeans are sold all ....around... the world

10. The pop star denied having any plastic surgeries done, .....surgery.... the rumors.

11. He’s ..scared.. on weight since he gave up smoking.

12. The situation has become more confusing .of.. late.

13. Nam tried to fix his computer ..because.. he failed.

14. Is across/ The only/access to/ the farmhouse/the fields.

=> The only access to the farmhouse is across the fields

15. I considered taking the job, ..nut.... in the end I decided against it.

16. Quang seemed ..... when knowing the test result. He must pass the test.

A. Happy B. happily C.be happy D. being happy

17. The government supplied the victims .... food and water.

A. To

B. With

C. On

D. For

18. Mother:” Take this .... It will help you in wet weather.

A. Coat

B. Raincoat

C. Sweater

D. Necklace

19. Minh laughed heartily ...when.. I told him the joke.

20. I ...... to school in Kensington in 1972

A. Attended

B. Joined

C. Passed

D. Went

Lan và mẹ co so banh la

29 + 49 = 78

Đáp số 78

1 mèo doraemon sợ chuột 2 cái bóng của con voi 3 a gọi z bằng miệng

mọi người gửi cách làm đi ak............... Minh làm bài này khó quá

ừ cảm ơn bạn

2 + 2 + 2 + 2 + 2 + 5 = 12

so sanh phan bu