A.waiting
B.wait
C.waited
D.to wait
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A.float
B.floating
C.floats
D.floated
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
最新試題
Routine radio communications should be no more than().
To reduce the amount of catenary you may().
Sorry to have kept you()for a long time.
Shall we()wait at the roadstead till there is a free berth for us?
When may the automatic identification system (AIS) be switched off? ()
The Vessel Bridge-to-Bridge Radiotelephone Act applies to().
The Departure Report,required by vessels participating in AMVER,must be sent().
The following()is a standard phrase.
Automatic identification systems (AIS) are required to().
Free communication effect is in direct proportion to().