II. Choose the best answer to fill in the blank. 1. My brother used to ( smoking/smoke/smoked/smoke) when he was young. 2. She wishes she (have/would have/had/had had) a new laptop. 3. How about ( go/going/went/to go) somewhere for a drink? 4. Would you like ( look after/looking after/ looks after/to look after) my puppy when I go out ? 5. I haven’t seen her (for/since/last/yet)3 years. 6. You sister didn’t learn English, ( does she/is she/doesn’t she/did she) ? 7. The nations are the same ( for/as/in/of) some ways. 8. If the environment is polluted, we ( would/will/won’t/ are) die. chỉ cần đáp án thoi giải thích thì chỉ cần nêu tên thì nha