look!what___over there?a.does he do b.do they doc.are the twins doing d.is your father and mother doing单选写原因

分类: 作业答案 • 2021-12-19 16:18:27

问题描述：

look!what___over there?a.does he do b.do they do
c.are the twins doing d.is your father and mother doing
单选
写原因

答

C
首先是Look!表示说的是正在发生的事情所以要用正在进行时态,排除了a b,然后d因为your father and mother前面的be动词应该用复数,这里用单数不对,所以是c