Mik tb đáp án trong ảnh!

1. He gave me a book for my birthday (Câu bị động `->` Chủ động: Đảo chủ ngữ câu bị động làm tân ngữ và đảo tân ngữ làm chủ ngữ, verb đưa về dạng đúng)

2. The question was too difficult for us to answer (too + adj/adv + (for s.one) + do s.th: quá để ai làm gì)

3.

- After he had done his homework, he went to bed (After + QKHT, QKĐ)

- After he had done his homework, he went to bed

- After he had done his homework, he went to bed

4. He is interested in fishing (tobe interested in s.th/doing s.th: hứng thú)

5. l study English so as to improve my knowledge (so as to do s.th: để làm gì)

6. 

- I saw Jane was standing outside a shop

- I saw Jane when she was standing outside a shop

7. Would you mind helping me put the chairs away? (Do/Would you mind doing s.th: có phiền nếu làm gì)

8. The car was too expensive for me to buy

9.

- It was such a dark room that I couldn't see anything (such + (a/an) + adj + N + that)

- lt was so dark of room that I couldn't see anything

10. My brother used to serve in the army (used to do s.th: đã từng)

11. The fire started while she was sleeping 

12. You mustn't smoke too many cigarettes (mustn't: chỉ sự cấm đoán)