第一节：单项填空（共15小题，每小题1分，满分15分）
从每小题后所给的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．I felt so tired that I couldn’t help _______ whether or not I could get to my destination.
A．wonder B. to wonder C. wondering D. being wondered
22．Traditional Chinese sports are similar to the Western sports _______ both are meant to improve people’s health.
A．that B. in which C. in that D. 不填
