第二部分：英语知识运用（共两节，满分45分）
第一节：单项填空 (共15小题；每小题一分，满分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。
21. Tom told us all that ____ he said so at the meeting was really true.
A. what B. that C. which D. all that
22. I got an e-mail from Liu Xin, ___ said she was going abroad for further study.
A. who B. she C. which D. it
