II. 单项选择（每小题0.5分，共10分）
从A、B、C、D中选出能填入空格的最佳答案。
21. Hurry! The train________. You know it________ at 8:30am.
A. leaves; leaves B. is leaving; leaves C. leaves; is leaving D. is leaving; is leaving
22. My sister is really a________ girl. Once she has made up her mind, nothing can change it.
A. clever B. stubborn C. brave D. familiar
23. You________ pay your fine for speeding. If not, you________ not be allowed to take back your license.
A. should; can B. must; will C. need; shall D. can; must
24. --- I really thought I’d passed the driving test.
--- Oh, well,________, Bill.
A. you are wrong B. better luck next time
C. best wishes D. I agree with you
25. It was________ back home after the experiment.
A. not until midnight did he go B. until midnight that he didn’t go
