A.IsB.BeC.AreD.Have（） you the officer on duty?……

单项选择题Spread a （） net under the gangway.

A.safe
B.safety
C.danger
D.dangerous

单项选择题—What business do you have?—I want to （）your captain.

A.see
B.saw
C.seen
D.seeing

单项选择题I’m a ship chandler. I’d like to（） the purser.

A.saw
B.see
C.seeing
D.seen

单项选择题I’m having （）around the ship.

A. fire watch
B. fire patrol
C. fire protection
D. fire alarm

单项选择题（）special instruction on heavy lifts.

A.Have
B.Has
C.Had
D.Having