Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous.
#74948
A
mustn’t
B
ought not to
C
needn’t
D
don’t have to
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—Can I pay the bill by check? —Sorry, sir. But it is the management rules of hotel that payment _____ be made in cash.
#63203
A
can
B
need
C
will
D
shall
—Mom, can I have that transformer?—Behave yourself and you____ have it．
#63657
A
could
B
shall
C
must
D
may