He does his homework at home
因为does是助动词,变否定句时需要,肯定是去掉,He是三单,所以用does
He doesn't do his homework at home.(改为肯定句）
He doesn't do his homework at home.(改为肯定句）
英语人气：362 ℃时间：2020-03-20 19:05:04
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