用所给词的适当形式填空。
1. Be quiet. My father______ (sleep) in the room.
2. Are you ______ (go) ______ (hike) this Sunday?
3. We decided _______(go) for a field trip with some friends of ours.
4. _______ (swim) is the best sport'in summer.
5. Let me help you _______ (find) them. .
6. _______ (take) a walk after supper is good.
7. It _______ (take ) me such a long time to get there yesterday.
8. Han Mei enjoys _______ (sing) in English.
9. I think he _______ (be) better tomorrow.
