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單項選擇題

How long will the discharging take? （）

A.2 o’clock.
B.2 hours.
C.2 gangs.
D.2 years.

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單項選擇題

Oil is carried in （）.

A. tanks
B. tankers
C. chemical carriers
D. holds

單項選擇題

This cargo runner is too short. Please （）it for a long one.

A.charge
B.change
C.discharge
D.repair