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單項選擇題

After seeing that the gears are free to（） , put the windlass into gear.

A.move
B.turn
C.engage
D.be engaged

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單項選擇題

While you are turning the windlass over slowly , （）all the moving parts.

A.oil
B.grease
C.oiled
D.greased

單項選擇題

After the anchor reaches the bottom,（）the engine room that power and water are finished with.

A.note
B.notice
C.ask
D.inform