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10.We will put off the picnic in the park until next week,____ the weather may be better.(  )
A.thatB.whereC.whichD.when

分析 我们将推迟野餐到下周,那时候天气可能会好点儿.

解答 答案D
本题考查非限制性定语从句.
从句缺少时间状语,即next week.因而关系副词应该用when.因此答案为D.

点评 考生需了解非限制性定语从句中when的使用,在非限制性定语从句中,主句中先行词为时间,从句中缺少的是时间状语,则要用when引导.

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