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單項(xiàng)選擇題

The motor for the fresh water pump （）.

A.need to repair
B.need to be repaired
C.needs to repair
D.needs repairing

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單項(xiàng)選擇題

I remember （）the oil separator the day before yesterday But it failed again.

A.to repair
B.to be repaired
C.repairing
D.being repaired

單項(xiàng)選擇題

During bunkering, the request for stoppage of pumping shall be made, as a rule, 5 minutes （）.

A.ago
B.before
C.ahead
D.front