题目内容
【题目】All the passengers, according to the new regulation, ______ before boarding the subway.
A.will inspect
B.are to be inspected
C.are going to inspect
D.are about to be inspected
【答案】B
【解析】句意:所有的乘客,按照新的规定,在上地铁之前要被检查。主语是All the passengers,故谓语动词用复数,根据句意是被动语态,故排除A、C项;be about to表示即将发生的事,有了be about to,句子中不能再加时间状语,故只能选B项。
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