题目
they have to mend their machine after work. ------------------------(对划线部分提问)
they have to mend their machine after work.
_______________ (对划线部分提问)
____ ____they have to do after work.
we have to clean the room now.(改为否定句)
we ____ ____ ____clean the room now.
they have to mend their machine after work.
_______________ (对划线部分提问)
____ ____they have to do after work.
we have to clean the room now.(改为否定句)
we ____ ____ ____clean the room now.
提问时间：2020-08-03
答案
What do they have to do after work?
We don't have to clean the room now.
We don't have to clean the room now.
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