单项选择题
You’d better use （）to remove the oil on the plates.
A.water B.sand C.saw dust D.derrick
单项选择题 After leaving the port, we used （）to clean the empty holds and decks.
单项选择题 Everything on the bridge should （）clean and tidy.
单项选择题 Decks, superstructure and hand rails may be washed with （）water at sea.
