A left－luggage office is a place where bags ________ be left for a short time，especially at a railway station.
#62504
A
should
B
can
C
must
D
will
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--- May I smoke here? --- If you , choose a seat in the smoking section.
#63523
A
should
B
could
C
must
D
may
— It’s the office! So you know eating is not allowed here.— Oh, sorry.
#74282
A
must
B
will
C
may
D
need