第二部分：词汇知识运用（共两节，满分45分）
第一节 多项选择（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。
21.Just now you said you always got to work on _______ 8 o’clock train. But would _______ later train get you to work on time?
A. a; a B. a; the C. the; the D. the; a
23. This is the last time I ______ Shanghai. I still remember the first time I ______ there was in 2005.
A. have visited, went B. had visited, went
C. visited, had gone D. had visited, had gone
