Some frightening pets _________ be kept home so that they won’t hurt others.
#75599
A
can
B
may
C
must
D
need
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As it turned out to be a problem of no importance , we so much time looking into it .
#62607
A
needn’t spend
B
didn’t have to spend
C
needn’t have spent
D
oughtn’t to spend
-May we leave the classroom now? -No, you ______. You ______ to leave until the bell rings.
#78353
A
mustn’t, are allowed
B
don’t have to, are supposed
C
needn’t, aren’t allowed
D
can’t, aren’t supposed
---- May I smoke here?--- If you , choose a seat in the smoking section.
#62982
A
should
B
could
C
must
D
may
In case you ______ still have anything to offer, please contact our manager while he is available．
#62228
A
shall
B
would
C
should
D
will
One of our rules is that every student wear school uniform while at school.
#63503
A
might
B
could
C
shall
D
will