－What does the sign over there say?－“No person _______ bring drinks into the student computer pool.”
#63223
A
will
B
shall
C
may
D
must
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—We are worried about Tom. Why hasn’t he come back?—Don’t worry. He ______ in a traffic jam.
#62725
A
might be caught
B
may have been caught
C
can have been caught
D
should have been caught
— Must we wear our school uniform this afternoon?— No, you. All of us will go on an outing.
#75739
A
mustn't
B
can't
C
needn't
D
couldn't
A mistake ______ have been made on our bill. We didn’t order any fish today.
#62733
A
should
B
would
C
could
D
must