單項選擇題

In the afternoon he often removes rust or（）some paint work.

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

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單項選擇題

Smith always（）a lot of things to do during the voyage.

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

單項選擇題

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

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