第一部分：英语知识运用(共两节，满分55分)
第一节 单项填空(共10小题；每小题1.5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，并在答题卡上将该项涂黑。
1.Thousands of people lost their lives in bomb explosions every year．I wonder ________ those innocent people did to deserve this．
A．why B．how C．when D. what
2．There was _________ time ________________ I cycled to work every day．
A．a：that B．a：when C．the；that D．the；when
3．She’ll never forget her stay there _____________ she found her son who had gone missing two years before．
A．that B．which C. where D．when
