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單項選擇題

Push the “Oil Jack” position （）until the cover comes to its final closed position.

A.lifted
B.lowered
C.opened
D.closed

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單項選擇題

The unlashing work must be finished before （）.

A.discharged
B.being discharged
C.discharging
D.discharges

單項選擇題

We haven’t got enough （）to do the work.

A.heads
B.hands
C.fingers
D.eyes

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