以people ofton complain about buses in shanghai开头的完型填空

People often complain about buses in Shanghai. The dirty __1___ from the buses pollutes (污染) our city. Buses are ___2___ full of people and it’s ___3___ to get a seat. Sometimes people ___4___ to wait for a long time, but the bus doesn’t come. And some bus drivers stop the bus ___5___, so, if people on the bus are not careful, they may fall ___6___ and get hurt. It is natural (自然) ___7___ not so many people like to go to places by bus.
If the bus service can be made better, there will be ___8___ traffic problems. Then people will ___9___ it convenient (方便)to go ___10____ in our city.

1. A. smoke B. water C. noise D. oil
2. A. seldom B. ever C. usually D. never
3. A. hardly B. nothing C. easy D. hard
4. A. has B. have C. ought D. must
5. A. soon B. slowly C. quickly D. suddenly
6. A. in B. to C. down D. on
7. A. that B. why C. how D. if
8. A. less B. little C. few D. fewer
9. A. be B. make C. feel D. take
10. A.