The Whites have lived in the house______they came to the city.

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问题 The Whites have lived in the house______they came to the city.

选项 A、until
B、since
C、when

答案B

解析 考查连词用法。由于主句用的是完成时态,而空格后从句用的是一般过去时态,故选since,指“自从,自…以来”。until指“直到”,它引出的是一个比主句时间更晚的时间;when指“当…时”,强调的是主从句谓语动词所表达的动作同时发生。
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