The sign _____ “In case of _______ fire, break the glass and press _______ red button.” 
#64402
A
reads,不填;the
B
writes,不填;the
C
reads, the; the
D
writes, a; a
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As this is his first time to Beijing,he is  where to go for a visit.
#80800
A
unable for
B
sure about
C
uncertain about
D
uncertain for
I __________ Wang Ping again and flew after him.
#71221
A
took up
B
swept up
C
caught sight of
D
speed up
 Smoking is not _____ in the meeting hall.
#78818
A
supposed
B
allowed
C
happened
D
admitted