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單項(xiàng)選擇題

On the forecastle deck,the chief officer and the bosun（）sharp lookout.

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

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單項(xiàng)選擇題

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

單項(xiàng)選擇題

The third officer（）at the telegraph and also writing on the log.

A.work
B.is working
C.are working
D.was working

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