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單項(xiàng)選擇題

Which hold shall we put all the cargo in?（）

A. Hold No.2.
B. No, on the bridge.
C. Yes, in the captain’s cabin.
D. Sorry, I don’t know.

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The safe working load of the derrick is （）.

A.5 tons
B.5 metres
C.5 feet
D.5 years

單項(xiàng)選擇題

It’s going to rain. Don’t forget （）the hatches.

A. to close
B. to open
C. to close and open
D. closing

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