第二部分：知识运用(共三节，35分)
第一节 单项填空(共10小题；每小题1分，共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。
15. All the employees except the manager ________ to work online at home.
A. encourages B. encourage
C. is encouraged D. are encouraged
16. One ought ________ for what one hasn't done.
A. not to be punished B. to not be puished
C. to not punish D. not be punished
17. A left-luggage office is a place where bags ________ be left for a short time, especially at a railway station.
A. should B. can
C. must D. will
18. --Is Professer Smith giving the speech today?
--It ________ be him. He is abroad right now.
A. mustn't B. needn't
C. won't D. can't
19. It's nearly time for the meeting to start. The manager ________ be here soon.
A. could B. should
C. need D. would
20. ________ she couldn't understand was ________ fewer and fewer students showed interest in her lessons.
A. What ; why B. That ; what
C. What ; because D. Why; that
21. Information has been put forward ________ more middle school graduates will be admitted into universities.
A. while B. that
C. when D. as
