It has been announced that candidatesremain in their seats until all the papers have been

发布时间：2020-08-16 16:26:15

It has been announced that candidates    remain in their seats until all the papers have been collected.
A. can
B. shall
C. will
D. may

网友回答

A. can
(答案→)B. shall
C. will
D. may
解析：考查情态动词的用法：shall用于规定，警告，命令，句意是：已经宣布了，考生在试卷收完前要坐在座位上。。选B。
以上问题属网友观点，不代表本站立场，仅供参考！