一般疑问判历逗句:Is this a middle school?
肯定回答:Yes, this is a middle school.
否定回答: No, this is not a middle school.
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一般疑团郑问句:Is this a middle school?备慎
肯定回答:Yes, this is a middle school.
否塌滚颂定回答: No, this is not a middle school.
-----精小锐
is提前就是疑问句了
is this a middle school?
yes,it is
no,it isn't