单项选择题
A.overall B.over C.all D.task
The officer of the watch()a good lookout on the bridge....
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
In the afternoon he often removes rust or()some paint w...
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
Smith always()a lot of things to do during the voyage.A...
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