A.has B.have C.there is D.there are
单项选择题On the forecastle deck,the chief officer and the bosun()sharp lookout.
A.to keep B.are keep C.is keeping D.are keeping
单项选择题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
单项选择题The third officer()at the telegraph and also writing on the log.
A.work B.is working C.are working D.was working
单项选择题There we shall call at some ports()and discharge some cargo.
A.to loading B.be loading C.loading D.to load
单项选择题We shall()some ports in Canada.
A.call at B.call on C.call in D.call up