第二部分：知识运用(共两节，45分)
第一节单项填空(共15小题；每小题1分，共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
例： It's so nice to hear from her again. , we last met more than thirty years ago.
A. What's more B. That's to say
C. In other words D. Believe it or not
答案是D。
21. —When did accident happen ?
—Let me see It was on very hot afternoon in July so there was not
much traffic in the street.
A. the : the B. an :不填 C. an : the D. the : a
