单项选择题
The sailor is going to （）(润滑) the wires.
A.grease B.repair C.clean D.refit
单项选择题 The maintenance work for sailors includes cleaning , repairing, and （）(涂漆) work on board a ship.
单项选择题 There are some （）(挫) in the box.
单项选择题 The maintenance work for sailors includes （）(清洁), repairing and painting work on board a ship. 正确答案A
