第二部分：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）
从每题所给的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. We can never expect _____blue sky unless we create____ less polluted world.
A. a, a B. a, the C. the, a D. the, the
22. The room looks quite different___ the furniture gone.
A. of B. from C. with D. for
23. ---Will you come to he party to be held at Mary’s?
---Absolutely not, _____ I am invited.
A. even if B. once C. in case D. if
24. In this company, it is required that anyone who ___recently come here ___this kind of test.
A. has, has B. have, has C. have , have D. has, have
25. ---I’m sorry to call at dinner time.
----It’s OK. I haven’t started to make dinner yet. I ____the paper.
A. am reading B. read C. would read D. had read
26. There are times ___ people are so tired that they fall asleep almost anywhere.
A. where B. which C. that D. when
27. ---I’m going to Paris. ----_____? Business or pleasure?
A. Why not B. How C. What for D. What
28. ---Excuse me, sir. I need another day to finish the report.
