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，并填在答题卡上。
21．Helen said she would come to my birthday party, but she hasn’t yet.
A．dressed up B．turned up C．made up D．broken up
22．Americans spend more money than they have by using credit cards, so they are always .
A．in peace B．in danger C．in relief D．In debt
23．Many people have come to realize they should go on ________ diet and make room for _____ ___ exercise．
A．a; 不填 B．the; an C．the; the D．不填; an
24．I am feeling sick now．I ________ so much chocolate．
A．needn’t have eaten B．couldn’t have eaten
