题目内容

句型转换

I used to wear jeans at home. (改为否定句)

I ________ ________ to wear jeans at home.

答案:didn't use$used not
解析:

didn't use /used not

点拨:used to do something的否定式有两种形式:一是used not (usedn't)to do something;二是didn't use to do something


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