It has been announced that candidates _______ remain in their seats until all the papers have been collected.
#89405
A
can
B
will
C
may
D
shall
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I suggest that he _____, or else he could make things worse.
#86817
A
calm down
B
calms down
C
will calm down
D
calming down
 It was Mr. Zhang that helped us out of the trouble. Without his help, we ______ it so easily.
#86786
A
can’t manage
B
mustn’t have managed
C
couldn’t have managed
D
couldn’t manage
From what I learn about their hotel, the service and the weather, they    their holiday very much.
#88226
A
couldn’t have enjoyed
B
shouldn’t have enjoyed
C
needn’t have enjoyed
D
can’t have enjoyed