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变一般疑问句、针对画线部分题问请将Thisbluedressisn'tmine.Thislovelyvasebelongstomysister.变一般疑问句Theselettersaretheirs.对theirs提问Thedoctorsayshewillcomeatonce.对hewillcomeatonce提问

题目详情
变一般疑问句、针对画线部分题问
请将
This blue dress isn't mine.
This lovely vase belongs to my sister.变一般疑问句
These letters are theirs.对theirs提问
The doctor says he will come at once.对he will come at once提问
▼优质解答
答案和解析
Isn't the blue dress mine?
Does this lovely vase belongs to my sister?
Whose these letters are?
What does the doctor say?