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單項(xiàng)選擇題

The chief officer is responsible （）the overall maintenance of deck department.

A.for
B.to
C.with
D.of

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單項(xiàng)選擇題

At sea, much of the （）time is spent maintaining the ship and her equipment in good condition.

A.officers’
B.engineers’
C.sailors’
D.pursers’

單項(xiàng)選擇題

At sea, much of the sailor’s time is spent （）the ship and keeping her equipment in good condition.

A.to maintain
B.maintaining
C.maintenance
D.maintain