用所给词的适当形式填空（每空不限一词）。
1. I think Tom is __________________(humorous)student in our school this team.
2.Don’t tell others, boys. It’s a secret between us. You must keep it to_________(you).
3.Tom is always very_________ (care)，but he didn't make many mistakes in the last exam.
4. Liu Hong kept _______ ___(study) for 3 hours last night.
5. Never offer_____________ (teach) fish to swim.
6. When the bell rang, students couldn’t wait__________(go) outside the classroom.
7. ___________(luck), he wasn’t in the house when the fire happened.
8. ----How long do you need to spend __________(draw) this picture? ------Two more hours.
9. Take care, or you ________________ (hurt) yourself.
10. He _____________(discuss) books with classmates tomorrow, isn’t he?
1. the most humorous 2. yourselves 3. Careless
4. studying 5. to teach 6. to go 7. Luckily
8. drawing 9. will hurt 10. is going to discuss