题目内容
17.In a certain store where they sell puddings,the customers ______ to sample them before coming to a decision.( )A. | are allowed | B. | is allowed | C. | allow | D. | have allowed |
分析 商场里卖布丁的地方,顾客在决定买之前是被容许尝尝的.
解答 答案:A
根据句意,the customers 和allow之间是被动关系,需用被动语态;主语为customers是复数形式,所以答案为A.
点评 考生需对被动语态结构掌握并结合具体语境灵活使用.
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