选择方框内的词的适当形式填空，每词只能用一次。go do help study

1. I can _____ my watch.
2. They _____ me very much.
3. Mike _____ hard in class.
4. The workers in the shop _____ very friendly.
5. What does he want to _____?
6. The shirt _____ very nice.
7. We don't _____ these things in our shop.
8. My father usually _____ to work on foot.
9. Sometimes I _____ my mother with the housework.
10. The students often _____ morning exercises.