He made another wonderful discovery, _______ of great importance to science.
| A．which I think is | B．which I think it |
| C．which I think it is | D．I think which is |
The leader in charge insisted that Anhui TV Station _________ a program to raise academic levels, which suggested that he _________ middle school students.
| A．should start, should care about |
| B．must start, should care about |
| C．started, cared about |
| D．start, cared about |
—Tom, your foreign teacher speaks Chinese fluently!
—Oh, she has lived in China for six years, otherwise she _______ such good Chinese.
| A．didn’t speak | B．would not have spoken |
| C．would not speak | D．hadn’t spoken |
Unfortunately, the computer system ________ suddenly while they were searching for some information on the Internet.
| A．broke up | B．broke down |
| C．broke away | D．broke out |
The company_______ Mary as a manager for her rich experience.
| A．took on | B．took up |
| C．made out | D．made up |
I used to quarrel a lot with my parents, but now we _______ well.
| A．look out | B．stay up | C．carry on | D．get along |