—It's the office！So you ________ know eating is not allowed here.—Oh，sorry.
#62502
A
must
B
will
C
may
D
need
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--Let’s go to the Tian’anmen Square by taxi. --Oh, it’s not far from here. We_______ take a taxi.
#78184
A
couldn’t
B
needn’t
C
mustn’t
D
can’t
—What does the sign over there read?—No person ________smoke or carry a lighted cigarette ,cigar or pipe in this area.
#63550
A
will
B
may
C
shall
D
must
—Thank you very much for giving me a hand when I was in trouble. —Don’t mention it. I only did what anyone else in my place.
#63418
A
must do
B
might do
C
would have done
D
can have done
It’s time _____ class. You must _____ the classroom.
#75805
A
to; to go
B
for; go to
C
to; to go
D
for; to go