问题
选择题
It has been announces that all takers ____ remain in their seats until all the exam papers have been collected.
A．can
B．may
C．shall
D．will
答案
答案：C
shall用于二三人称表示命令、警告、允诺，尤其用于正式的法律条文中。
【标签】情态动词
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