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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1.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
2.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
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