第一节 单项选项(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。
21.Your letter the days when we worked together in the countryside 20 year ago.
A.called on B.called up C.called for D.called back
22. he has made up his mind, nothing can change it.
A.Once B.Before C.Though D.Until
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。
21.Your letter the days when we worked together in the countryside 20 year ago.
A.called on B.called up C.called for D.called back
22. he has made up his mind, nothing can change it.
A.Once B.Before C.Though D.Until