Only in recent years ______ to realize the importance of wildlife conservation.
| A．do people begin | B．have people begun |
| C．people have begun | D．people begin |
---Is Mary still performing?
----I’m afraid not. She is said_____ the stage already.
| A．to have left | B．to leave | C．to have been left | D．to be left |
---Where did you get to know her?
----It was on the farm______ we worked.
| A．that | B．when | C．which | D．where |
I feel uncomfortable each time I remember the situation _____ Mary didn’t agree with me _____ the matter.
| A．that; at | B．in which; over | C．which; about | D．where; to |
I want to buy that kind of cloth because I ________ the cloth_______ well.
| A．have told; washed | B．have been told; washes |
| C．have been told; is washed | D．was told; is washed |
______ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.
| A．If | B．While | C．Because | D．As |