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this is a pen怎么改疑问句还有That is her book,还有会答Yes…… NO……

题目详情
this is a pen怎么改疑问句还有That is her book,还有会答Yes…… NO……
▼优质解答
答案和解析
Is this a pen
Yes ,it is.
No ,it isn't .
Is that her book
Yes ,it is.
No ,it isn't .