将下列句子变成一般疑问句并做出肯定与否定的回答.

问题描述:

将下列句子变成一般疑问句并做出肯定与否定的回答.
He must come early.

He must come early.
一般疑问句 Must he come early?
肯定回答 Yes, he must.
否定回答 No, he needn't. 或 No, he doesn't have to.