Must we finish our work today?改被动

问题描述:

Must we finish our work today?改被动

Is our work must finished by us tody?

must our work be finished today?
不用is finished的原因是:
Must是情态动词,
后面接的动词用原型.
所有情态动词后面都接动词原形,比如shall can may等等
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