题目内容
20.The policeman asked the children not to cross the street __________ the traffic lights turned green.( )| A. | after | B. | when | C. | until |
分析 那个警察要求孩子们直到交通灯变绿的时候才可以过马路.
解答 答案:C.
联系语境并根据前后句子的对比,可知本句应理解为:那个警察要求孩子们直到交通灯变绿的时候才可以过马路.; 结合not可以判断出此句应用固定表达not…until来完成,意为"直到…才…"引导一个时间状语从句.故选C
点评 本题主要考查连词的用法,做此类题目一定要弄清句意,明白上下文之间的关系,才能更好地判断出所要用的连词.
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