The boss has given everyone a special holiday, so they go to work tomorrow .
#76587
A
can’t
B
needn’t
C
mustn’t
D
shouldn’t
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You ________ in person; a telephone would have been enough.
#62596
A
couldn’t have come
B
needn’t have come
C
shouldn’t have come
D
mustn’t have come
--- He worked out such different questions at a very young age.--- Oh, he ______ a very smart student then.
#63131
A
could have been
B
should have been
C
might have been
D
must have been
As nobody here knows what is wrong with the machine, we send for an engineer to handle the problem．
#63675
A
should
B
must
C
can
D
would
---I was told to be here at this time.---Sorry, you ___________. I forgot to tell you we've changed the plan.
#76828
A
must
B
may
C
can't
D
needn't
—________ I swim here?—I’m sorry. Children _______ swim alone here.
#76532
A
Must , can’t
B
May , must
C
Can, mustn’t
D
Can’t can