Did you ( ) your room yesterday?A .clean B.cleaned 这个是选择A还是B?为什么?
Did you ( ) your room yesterday?A .clean B.cleaned 这个是选择A还是B?为什么?
英语人气:302 ℃时间:2019-09-20 13:07:37
优质解答
补一楼 did就是过去时形式 所以后用动词原形
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