单项选择题
A.fast B.fasten C.slack away D.slack
Do you want the gangway adjusted （）or downwards?A.upB.o...
单项选择题Do you want the gangway adjusted （）or downwards?
A.up B.on C.high D.upwards
The captain is not on（）.A.aboardB.boardC.boardingD.asho...
单项选择题The captain is not on（）.
A.aboard B.board C.boarding D.ashore
May I （）a look around your ship?A.hasB.hadC.haveD.havin...
单项选择题May I （）a look around your ship?
A.has B.had C.have D.having
