________，I lost heart in English learning, but my teacher often said to me, “Keep on working hard；you'll succeed ________.”
| A．At a time；in time |
| B．At a time；on time |
| C．At one time；in time |
| D．At one time；on time |
—What’s wrong with you yesterday?
—When I was playing football, my strength ___________ and I fell down.
| A．gave up | B．gave off | C．gave out | D．gave in |
In our class there are 46 students, _____ half wear glasses.
| A．in whom | B．in them | C．of whom | D．of them |
---Thank you very much for helping me out of trouble, Bob.
----__________.
| A．With pleasure | B．Don’t mention it | C．That’s right | D．I hope so |
He is famous both _________a novelist and poet but he is more famous_________ his novels.
| A．for; as | B．with; for | C．as; for | D．like; as |
Niagara Fall is a great tourist ________, drawing millions of visitors every year.
| A．attention | B．attraction | C．appointment | D．arrangement |