A.to keep
B.are keep
C.is keeping
D.are keeping
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A.is going to
B.are going to
C.was going to
D.are go to
A.work
B.is working
C.are working
D.was working
A.to loading
B.be loading
C.loading
D.to load
A.call at
B.call on
C.call in
D.call up
A.finish
B.finishing
C.finished
D.has finished
最新試題
（）is on the panel of radar.
It is dangerous for vessels without the operational radar（）the estuary.
The dew point temperature is（）.
A tide is called diurnal when（）.
In the Northern hemisphere northerly winds may cause temperature（）.
The loading of the ship must be done in accordance with（）.
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
When steering by autopilot,how often should the steering be checked?（）
The mean draft of a ship is the draft（）.