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.