The siren also reaches its top and then suddenly goes off.What's the meaning of the underlined part?
A. stop, discontinue
B. leave
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There is absolute dead _________ for a long moment.
A. silent
B. silence
The previously __________ objects have now been identified as being satellites.
A. unidentified
B. unidentifying
There are no enemy missiles ___________.
A. approach
B. approaching
The state of emergency has officially been _________. We are in no danger.
A. called on
B. called off