【C10】A．useB．have usedC．usedD．are used

Fuel oil transfer systems used onboard diesel propelled vessels are required to have _____

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A．useB．usedC．usefulD．usefulness

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【C10】A．useB．placeC．viewD．absence

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______ are those that cannot be used independently but have to be combined with other morp

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The phenomenon that two languages are used side by side with each having a different role

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Many pure metals have little use because they are

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Many pure metals have little use because they are too soft rust too easily or have some

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