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.You can never imagine what great trouble I had the poor boy who was hurt seriously. A.help B.to help C.helped D.helping 答案与解析:D 考查词组have trouble/difficulty(in)doing sth.的用法.

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