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.
单项选择题 On the forecastle deck,the chief officer and the bosun（）sharp lookout.
单项选择题 The stevedores（）load your ship in a few days.
