第二部分知识运用（共两节，满分20分）
第一节单项填空（共10小题；每小题1分，满分10分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21. When I got up that morning, I found ________ elephant standing by the window.
A. a B. an C. the D. 不填
Some young men want to find true love on the Internet, I think is very funny.
| A．that | B．which | C．what | D．who |
I can think of many cases the media have a strong effect on young men.
| A．why | B．where | C．as | D．which |
QQ, you can chat with your friends, makes communication easy.
| A．as | B．which | C．that | D．where |
My daughter, job requires her to do a lot of travelling, is always away from home.
| A．which | B．that | C．whose | D．where |
The school has developed an online system students can choose their own teachers.
| A．which | B．that | C．whom | D．where |