A.where/are B.where/is C.is/where
单项选择题I am a seaman, I come()the People’s Republic of China.
A.from B.to C.on D.for
单项选择题Vessel()still to bunker 50 tons of fresh water.
A.have B.have been C.has been D.has
单项选择题The ship’s bearing is 145°()the lighthouse.
A.in B.on C.from D.at
单项选择题All vessels at mooring()move to the sheltered anchorage.
A.must B.have to C.must be
单项选择题Typhoon No.5 will()the next four hours.
A.come in B.come on C.come