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
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On the forecastle deck,the chief officer and the bosun（）sharp lookout.
A.to keep
B.are keep
C.is keeping
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The stevedores（）load your ship in a few days.
A.is going to
B.are going to
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The third officer（）at the telegraph and also writing on the log.
A.work
B.is working
C.are working
D.was working
