（）the gangway, please.

单项选择题（） you the officer on duty?

A.Is
B.Be
C.Are
D.Have

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