摘要:第一节 单项填空(共15小题,每小题1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.21. -I heard that as many as 100 people were killed in that coal mine accident -Yes, news came as shock to us. A. the; / B. the; a C. /; a D. /; /

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