Attention,please!Allthemobilephones
问题详情:
Attention,please!All the mobile phones ______ during the meeting.
A.must be kept off B.have kept off C.must keep off
【回答】
A 句意:在会议期间,所有的手机都必须关闭。主语和谓语动词有动宾关系,故使用被动语态。
知识点:动词语态
题型:选择题
问题详情:
Attention,please!All the mobile phones ______ during the meeting.
A.must be kept off B.have kept off C.must keep off
【回答】
A 句意:在会议期间,所有的手机都必须关闭。主语和谓语动词有动宾关系,故使用被动语态。
知识点:动词语态
题型:选择题