二、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. All the employees except the manager______to work online at home.
A. encourages         B. encourage         C. is encouraged       D. are encouraged
22.1 feel that one of my main duties ______ a teacher is to help the students to become better learners.
A. for                B. by              C. as                D. with 
23.1 have always been honest and straightforward, and it doesn’t matter ______ I’m talking to.
A. who is it           B. who it is         C. it is who           D. it is whom
24. It is ______ any wonder that his friend doesn’t like watching television much.
A. no                 B. such            C. nearly             D. hardly