【求解】I don't know___. A.when will they leave B.when they will _英语解答

【求解】I don't know___. A.when will they leave B.when they will leave C.when wouldthey leave
D.when they would leave 选B没错,但是为什么用陈述句语气呢?

人气：472 ℃　时间：2019-08-20 11:04:02

解答

when引导的时间状语从句,我不知道他们什么时候离开.他们什么时候离开这一整个部分做句子的状语,是“我”不知道的内容.