()We'll come back at night That's_____we'll come back. A.what B.when C.who D.where

问题描述:

()We'll come back at night That's_____we'll come back. A.what B.when C.who D.where
要告诉我为什么这样做?

选B,因为前句是我们晚上回来,那就是我们回来的( )那么括号里填的当然是时间咯