A. call off B. call on C. call up D. call for 参考答案:A 答案解析:[分析] 动词短语辨析题。选项均为由call构成的介词短语,其意思之间的差别是:call off意为“取消”;call on意为“拜访”;call for意为“要求,接人”;call up意为“回忆或
第3题: [单项选择] {$mediaurl} 参考答案:C 答案解析:[听力原文] We like travelling on holidays.
第5题: [单项选择]______ the traffic jam, we would have caught our train. A. But for B. Because of C. By means of D. Due to 参考答案:A 答案解析:本题考查虚拟语气的用法。but for+名词/代词表示“要不是因为…”,提出与事实相反的假设,相当于一个条件状语从句,所在句子常用虚拟语气。其他的结构都不用虚拟语气。从主句“we would have