A.float
B.floating
C.floats
D.floated
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A.waiting
B.awaiting
C.awaiting for
D.waited
A.must
B.ought to
C.have to
D.never
A.one minute
B.three minutes
C.five minutes
D.eight minutes
A.answers very well
B.rudder answers all right
C.answers slow
D.answers fast
A.length and width of space
B.length of space only
C.width of space only
D.neither length nor width
最新試題
Sorry to have kept you（）for a long time.
Automatic identification systems (AIS) are required to（）.
Electrical wiring on all T-Boats must be（）.
The Vessel Bridge-to-Bridge Radiotelephone Act applies to which towboat?（）
Ships are always（）on water and they are easy to rust.
The agent has probably already handed over you the stowage plan，（）.
Routine radio communications should be no more than（）.
The unit of duration of a dash in Morse Code is（）.
The Vessel Bridge-to-Bridge Radiotelephone Act applies to（）.
The Agent promised to keep me（）of how our business was going on.