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问题: 非谓语(三)

111.He ordered the room _______ at once.
A.swept C,to be swept
好像记得order后面都是should+原形的用法,那么什么时候用order to do。。什么时候是加原形的呢。。

解答:

111. C order sb. to do sth.
order sth. to be done
order that sb. should do sth.
order that sth. should be done