A.keep radio silence
B.keep radio silent
C.keep radio be silent
D.keep silent the radio
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A.make out
B.submit
C.produce
D.endorse
A.in
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A.much appreciated
B.much appreciating
C.many appreciated
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D.being appreciated
A.to
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最新試題
In the Northern hemisphere northerly winds may cause temperature（）.
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（）is where the crew eat their meals.
Which of the following is not a form of precipitation?（）
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（）is on the panel of radar.
The dew point temperature is（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.