A.on B.to C.at D.for
单项选择题Please charge the expenses（）the ship’s account．
A.for B.by C.at D.into
单项选择题Mooring（）are placed on both banks of the Suez Canal about 200m apart．
A.bollards B.ballasts C.bands D.benefits
单项选择题Get the searchlight（）for transiting the canal at night．
A.turned off B.already C.almost D.ready
单项选择题Get everything ready（）mooring．
A.of B.on C.to D.for
单项选择题Finally，when your ship is alongside，don’t forget（）.
A.having rat guards properly mounted on your moorings B.to have rat guards properly mounted on your moorings C.to have rat guards properly mounting at your moorings D.having rat guards proper mounted on your moorings
