Dưới đây là các từ được điền vào các câu trong ảnh:

1. I have never visited the Natural History Museum before.
2. He started to make model planes last year. **He has made** model planes since last year.
3. When did you first meet Mike? **How long** have you known Mike?
4. It's a good idea to tell your parents what happened. **You had better** tell them what happened.
5. I prefer spaghetti **to** pizza.
6. You are not allowed to chew gum **in** class.
7. **Mustn't** you come to the wedding?
8. Is it necessary for me to come to the wedding? **Do I have** to come to the wedding?
9. There is a possibility that I’ll go round to Kathy’s house tonight. **I might go** to Kathy’s house tonight.