词形变换。
1. We play a game (call) trick or treat.
2. —What do you buy the pumpkins for? — ______ (make) lanterns.
3. I don't know what (wear) for the dinner party.
4. The library is on the ______ (two) floor.
5. We are ______ (excite) to see you.
6. I clean my room ______ (two) a day.
7. You must brush your ______ (tooth) every day.
8. What about _______ (cut) out eyes and noses.
9. There is lots of _______ (turkey) on the table.
10. Would you please _______ (not knock) on the door?
11. They celebrate the festival by (give) presents and cards.
12. Let him ______ (clean) the blackboard today.
13. I will go to the park if it_______ (not rain) tomorrow.
14. Thanks a lot for ______ (give) us so many candies.
15. What are they looking forward to _______ (do)?
。