第二部分：英语知识运用（共二节，满分40分）
第一节：多项选择（共10小题；每小题1分，满分10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. There were lots of people standing watching, yet no one of them ____ to help.
A. offered B. answered C. expected D. replied
22. The past always seems better when you ____ it.
A. look forward to B. look out for C. look back on D. look up to
