填入动词的适当形式。
1. Knives are used for _________ (cut) things.
2. Can you finish __________ (read) the book in three days?
3. The doctor was busy __________ (operate) on the boy at that time.
4. Stop _________ (talk) and listen to me carefully.
5. Thank you very much for _________ (help) us.
6. Granny is very ill and she doesn't feel like _________ (eat) anything.
7. The girl enjoys _________ (listen) to light music.
8. Do you remember _________ (buy) me a beautiful skirt on my 13th birthday?
9. We couldn't help _________ (laugh) after we heard the funny story.
10. What about __________ (go) out for a walk?