第二部分: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)从每题所给的A、B、C、D四个选项中,选出可以填入空白处的最佳选项。21.The driver was at____loss when____word came that he was forbidden to drive for speeding. A.a; the B./;/ C.the; the D.a;/
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