1. Cleaning workers in most cities are paid by an hour.
2. Between the two buildings stand a hospital.
3. I suggest that we ask users of this kind of camera how they think about it.
4. I’m going to see the film I missed it last Friday.
5. The surprising look on his face suggested that he hadn’t expected that.
6. Mr. Bill, who is our English teacher, is much taller than any other student in our class.
7. Isn’t it time you go to bed? You’ll have a test tomorrow morning.
8. Only in this way can you learn your mistakes.
9. The girl is very shy, and never speaks until speaking to.
10. Whether we’ll go camping tomorrow depends on the weather.
1. an→the 2. stand→stands 3. how→what
4. 去掉it 5. surprising→surprised 6. 去掉other
7. go→went 8. learn后加from 9. speaking→spoken 10. √