问题描述：
Father didn't have to clean the car,so ____.
A.he did
B.he didn't
实际情况是爸爸没有去clean the car
选哪个?
he是指爸爸
A.he did
B.he didn't
实际情况是爸爸没有去clean the car
选哪个?
he是指爸爸
问题解答：
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