The biggest problem for most plants,which_______just get up and run away when threatened,is that animals like to eat them.
#89083
A
shan’t
B
can’t
C
needn’t
D
mustn’t
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Shall I tell him the change of the schedule right now?---- I am afraid you ________, in case he comes late for the meeting.
#87493
A
will
B
must
C
may
D
can
— Hi, Tom．Any idea where Mary is? ．一 She ______in the reading room．I saw her there just now．
#87498
A
shall be
B
should have been
C
should be
D
might have been
We the postcards yesterday, but it didn’t arrive.
#87363
A
should receive
B
ought to receive
C
ought to have received
D
must have received
—Any information about your son?—No. If only I ______ those tough words to him.
#90532
A
didn't say
B
hadn't said
C
shouldn't have said
D
couldn't have said