用括号所给单词的适当形式填空。

1. Thank you for _______ (come) to my party.

2. What size _______ (be) your trousers?

3. Every year he spends lots of money _______ (buy) the books.

4. There _______ (be) a lot of juice in the bottle.

5. We must brush (刷) our _______ (tooth) twice a day.

6. — Are these _______ (knife) yours? — Yes.

7. We can _______ (get) fun here.

8. Would you like _______ (come) with me?

9. Look! The girl _______ (sit) under the tree.

10. It takes me 3 hours _______ (finish) my homework.