单项选择题
Sailors have to spend most of their time in （）(除锈) and painting.
A.derusting B.cleaning C.repairing D.closing
单项选择题 The （）(地脚货) and broken dunnages in the holds have to be removed.
单项选择题 Tidy up the （）(物料间).
单项选择题 The sailor is going to （）(润滑) the wires.
