一What does the sign over there read?一“No person ______ smoke or carry a lighted cigarette, cigar or pipe in this area.”
#88123
A
shall
B
may
C
will
D
must
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—The poor people lived near the highway.—_____ very noisy.
#90080
A
It must have been
B
They must be
C
That might be
D
There must be
—Peter looked tired and a little absent-minded in class. —He _____ too late.
#87899
A
may stay up
B
could stay up
C
should have stayed up
D
must have stayed up
Students urged that the school library ______open during the long vacation.
#87054
A
be kept
B
kept
C
must keep
D
must be kept