The quality of the fuel oil and lube oil （）, Im afraid.<br>A:has much to do with the operation of the engine and its life<br>B:have much to do with the operation of the engine and its life<br>C:has much doing with the operation of the engine and its life<br>D:have much doing with the operation of the engine and its life

The quality of the fuel oil and lube oil （）, Im afraid.
A:has much to do with the operation of the engine and its life
B:have much to do with the operation of the engine and its life
C:has much doing with the operation of the engine and its life
D:have much doing with the operation of the engine and its life

出自：海船船员证

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