that's an eraser ______ _____an eraser?(一般疑问句) this is a cup (攺为复数形式)
those are (red books)提问_______ ________ those
they are (my sisters and brothers)提问______ ______ ______?
人气：229 ℃ 时间：2019-08-21 22:07:45
解答
如下
It that an eraser?
These are cups.
What are those?
Who are they?
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