第二部分英语知识运用 (共两节.满分45分)
第一节 单项填空 (共15小题，每小题1分，满分15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. — Are you going to Karla’s party?
— ___________.I might have to work that weekend.
A. I guess so B. That’s it C. You must be joking D. It depends
22. It is bad manners for you to make______ fun of the disabled; you should know they are in______ great need of our understanding.
A．a; a B．a; / C．/；a D．/; /
22. I ______ do an important piece of work ______ my daughter came to interrupt me.
A. was about to; when B. was going to; while
C. was to; as D. was about to; then
24. When we met last time, we talked a long time and it was getting dark ____ we knew it.
A. since B. before C. until D. while
25. The couple _______ some money every month for their future use even though their income can only make ends meet.
