Attention, please. All of you students _
题型:选择题
问题:
Attention, please. All of you students _______ remain in their seats until all the papers have been collected.
A.can
B.will
C.may
D.shall
Attention, please. All of you students _______ remain in their seats until all the papers have been collected.
A.can
B.will
C.may
D.shall