从A，B，C和D四个选项中，选出可以填入空白处的最佳答案。
21. —What’s the matter with Jenny ?
—She didn’t pass the driving test but she still .
A.hopes so B.hopes to C hopes it D.hopes that
22. For nearly three hours we waited for the decision, only _____ to come again the next day.
A. to tell B. telling C. to be told D. being told
23. You’ll______the department until the end of the year. Next year you will be rearranged.
A.be attached to B.be belonged to C.owe to D.contribute
24. __ blood if you can and many lives will be saved.
A. Giving B. Give C. Given D. To give
