——You didn’t wait for Mr. Black last night, did you?
——No, but we ____. He didn’t return home at all.
| A．couldn’t have | B．needn’t have | C．didn’t need to | D．should wait have |
________ giving a general introduction to computers, the course also provides practical operation.
| A．In terms of | B．In addition to |
| C．In case of | D．In order to |
That coat fits me, but I can't afford to buy ________. I have to choose ________ that is cheap enough for me.
| A．one; that | B．that; it |
| C．it; one | D．it; the one |
Difficult conditions will sometimes ________ a man's best qualities.
| A．give out | B．bring out |
| C．let out | D．take out |
The process of growing up is complex for every person, ________ there are many influential factors in a person's growth as well as the development of his personality.
| A．but | B．so | C．for | D．therefore |
The doctor was busy writing an essay in ________ with his recent research.
| A．touch | B．connection |
| C．devotion | D．comparison |