A.Lower B.Higher C.Lowered D.High
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