用所给词的适当形式填空。
1. There (be) many buildings in 10 years.
2. While I (listen) to music, mother came back.
3. He does (well) in swimming than I.
4. If it (not rain), we'll go to the park tomorrow.
5. The old man makes a living by (sell) fruits.
6. I don't think you are (suppose) to smoke in the classroom.
7. The teacher told us the earth (travel) round the sun.
8. It rained very hard. And it made a few drivers (injure) in the race.
9. You are always (kid). If you do the same thing again, I'll be angry.
10. It's not important (finish) cleaning the house.