一般疑问句回答用may be还是maybe

应该用maybe。因为maybe是副词，相当于perhaps。用来修饰动词。如：-Will you come back tomorrow?-Maybe.这是一个省略回答，完整回答应该是：-Maybe I will come back tomorrow.而may be是情态动词表推测的用法，表示“可能是…”。如：He may be a student，but I'm not sure.

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