用所给动词的适当形式填空。
1. Look out! The car is _____________ (come).
2. The horse is _____________ (run) very fast.
3. He often _____________ (go) to school on foot.
4. I can _____________ (dance) and sing.
5. He didn't _____________ (finish) homework.
6. He _____________ (may) be our new teacher.
7. Frogs _____________ (catch) mosquitoes (蚊子) now.
8. Tom _____________ (write) to his parents every month.
9. I'm going _____________ (fly) a kite in the playground.
10. Sometimes she _____________ (go shop) with her mother.