A.overallB.overC.allD.taskThe captain is in（）command of……

单项选择题The officer of the watch（）a good lookout on the bridge.

A.keep
B.keeping
C.keeps
D.is keeping

单项选择题In the afternoon he often removes rust or（）some paint work.

A.do
B.did
C.does
D.to do

单项选择题Smith always（）a lot of things to do during the voyage.

A.has
B.have
C.there is
D.there are

单项选择题On the forecastle deck,the chief officer and the bosun（）sharp lookout.

A.to keep
B.are keep
C.is keeping
D.are keeping

单项选择题The stevedores（）load your ship in a few days.

A.is going to
B.are going to
C.was going to
D.are go to