问题
选择题
—Where's that report?
—I brought it to you ________ you were in Mr.Black's office yesterday.
A．if
B．when
C．because
D．before
答案
答案：B
该空表示“当……的时候”，因此应填when引导时间状语从句。
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—Where's that report?
—I brought it to you ________ you were in Mr.Black's office yesterday.
A．if
B．when
C．because
D．before
答案：B
该空表示“当……的时候”，因此应填when引导时间状语从句。
