用所给单词的正确形式填空。
1. _____________ he like collecting stamps? (do)
2. I'm going to _____________ a doctor. (be)
3. My father usually _____________ newspapers after lunch. (read)
4. My brother likes _____________ a bike. (ride)
5. She _____________ to school on foot. (go)
6. What are you going _____________ this afternoon? (do)
7. We can _____________ the flower in several weeks. (see)
8. They _____________ next to the bookstore. (live)
9. Where does the cloud _____________ from? (come)
10. His pen pal _____________ strong arms. (have)
