They must go home now改成一般疑问句 特殊疑问句 和否定句

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They must go home now改成一般疑问句 特殊疑问句 和否定句

They must go home now改成一般疑问句 特殊疑问句 和否定句
They must go home now改成一般疑问句 特殊疑问句 和否定句

They must go home now改成一般疑问句 特殊疑问句 和否定句
Must they go home now?
What must they do now?
They needn't go home now.(一般用needn't否定,表示他们现在不必回家.而mustn't 则表示他们不许回家,意思完全不一样.)

Must they go home now?