第二部分：英语知识运用（共两节，满分45分）k/s/5/u
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．The driver was at _________ loss when _________ word came that he was forbidden to drive for speeding.
A. a; the B. /；/ C. the; the D. a；/
22．— Better get down to your work, Jack.
—_________.
A. It’s my pleasure B. Not to mention it
C. Mind your own business D. You’re welcome
