问题
选择题
We have to delay the party till next week, ____ we will not have something important to do.
A. when B. which C. at which D that
答案
A
表示时间的副词when引非限制性定语从句。
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We have to delay the party till next week, ____ we will not have something important to do.
A. when B. which C. at which D that
A
表示时间的副词when引非限制性定语从句。