22. The student was very excited when he __________ his teacher in his first operation.

　　 A. insisted　　　　　 B. assisted　　　　　 C. resisted　　　　　 D. persisted

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. The next few years ____________ a series of bad harvests in this country, causing many

people to die of hunger.

　 　A. met　　　　　　　 B. happened　　　 　　C. saw　　　　　　 D. made