單項(xiàng)選擇題

Slack （）head line.

A.down
B.away
C.for
D.on

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單項(xiàng)選擇題

（）attention to the safety of the gangway.

A.Paid
B.Paying
C.Pay

單項(xiàng)選擇題

—Where is the（）?
—He’s in his cabin.

A.deck
B.bridge
C.cabin
D.captain

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