Students remain in their seats until all the papers have been collected.A. shall　B. might

发布时间：2020-08-17 08:31:41

Students      remain in their seats until all the papers have been collected.
A. shall　
B. might
C. could　
D. will

网友回答

(答案→)A. shall　
B. might
C. could　
D. will
解析：句意：试卷全部收回后学生才可离开座位。shall用于第二、三人称，表示命令、警告或允诺，符合句意。
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