0. alike -> like ( câu hỏi về ngoại hình: ai đó trông như thế nào)

1. to go -> going ( before +V-ing)

2. for -> to ( how to : cách làm gì đó )

3.B

Every possible means ___ to prevent the air pollution, but the sky is still not clear.

_____ you discover his weakness, the easier the watch should become.  

______ all birds, penguins are the most fully adapted to water and extreme cold.

Emily: “Thanks for giving me a ride to work today”. Brian: “ _______ I was heading this direction anyway.”A. You don’t need to.    B. Yes, thanks. C. No worries.        D. I’d love to. 

The murdered man is thought to . . . . . . . . .. known the identity of his killer.

A be              B being                                                 C having                                                                             D have

50. Although he seemed convincing. I was somewhat suspicious. . .. his over-confident manner.

A of                                 B with                                C by                                                                                    D for

d) \(D=\sqrt{6-\sqrt{35}}+\sqrt{10}=\sqrt{2}.\sqrt{6-\sqrt{35}}+\sqrt{5}=\sqrt{12-\sqrt{35}}+\sqrt{5}=\sqrt{\left(\sqrt{7}-\sqrt{5}\right)^2}+\sqrt{5}=\left|\sqrt{7}-\sqrt{5}\right|+\sqrt{5}=\sqrt{7}-\sqrt{5}+\sqrt{5}=\sqrt{7}\)

b) \(B=\sqrt{12+2\sqrt{35}}=\sqrt{12+2.\sqrt{7}.\sqrt{5}}=\sqrt{\left(\sqrt{7}\right)^2+2.\sqrt{7}.\sqrt{5}+\left(\sqrt{5}\right)^2}=\sqrt{\left(\sqrt{7}+\sqrt{5}\right)^2}=\left|\sqrt{7}+\sqrt{5}\right|\)

Vì \(\sqrt{7}>\sqrt{5}\) nên \(\left|\sqrt{7}+\sqrt{5}\right|=\sqrt{7}+\sqrt{5}\)

a) Vì đồ thị hàm số (1) đi qua A(1;2025) nên ta có:

\(\left(m-3\right)1+2021=2025\\ \Leftrightarrow m-3=4\\ \Leftrightarrow m=7\)

24. If I had a spare ticket, I could take you to the concert

25. If you leave the lights on all night, you will waste electricity

26. I haven't seen Mai since I was in Ho Chi Minh city.

27. I haven't spoken to her for two years.

28. If he didn't speak so quickly, I could understand him

29. If that planet weren't far from the earth, we could visit it

30. I have enjoyed this club for three months

31. Many children don't like/dislike/ don't enjoy learning art

"Teenagers should be required to do unpaid work in their free time to help their local community"

To what extent do you agree with this proposal ? write an essay within 250 words to express your own idea.

1. A (risk of sth= sự rủi ro, nguy hiểm)

2. D (persuade sb to do sth= thuyết phục ai làm gì)

3. A (approach = phương pháp, cách. Trong bài có ý "Another way")

4. B ( increasing charges = tăng phí)

5. C ( bringing in tougher fines= đưa ra mức phạt cao hơn. )

6. C ( break law = phạm luật)

7. D ( known as = được biết như là . Đây là dạng bị động)

8. B ( a number of = một vài)

9. A ( fix sth to sth = gắn lắp cái gì)

10. C ( deal with sth= giải quyết)

11. A ( outskirts = ngoại ô)

12. D ( final = cuối cùng. Không dùng end vì stage (noun) cần 1 tính từ để bổ nghĩa mà end (noun) nên dùng final (adj)

13. B ( "The most important thing...." = điều quan trọng nhất là)

14. C ( give up = từ bỏ)

15. B ( keep = giữ, duy trì)

Mình làm theo sự hiểu biết có gì mong bạn góp ý thêm nhaa