把下面的句子变成一般疑问句。
有时候，可以在句尾用升调把一个陈述句变成一个疑问句。
It's possible to make a question out of a statement by raising your voice on the end of the sentence.
有时候，可以在句尾用升调把一个陈述句变成一个疑问句。
It's possible to make a question out of a statement by raising your voice on the end of the sentence.
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