【自主学习】
用所给词的适当形式填空：
1. We enjoy _________ (eat) Chinese food.
2. People can go ________(walk) in the park near here.
3. Where is the place _________ (go) if you are sick?
4. She has a lot of homework _______ (do) every day.
5. Listen! Who _________ (sing) in the next room?
