【C3】A．proficientB．efficientC．sufficientD．elaborate

【C8】A．sufficientB．efficientC．effectiveD．sufficiency

【C20】A．instructiveB．efficientC．beneficialD．profitable

材料题请点击右侧查看材料问题 查看材料A.examinationB.suf

【C8】A．effectiveB．efficientC．affectionateD．moved

The money I have saved is ____ for buying a car.A.proficientB.efficientC.potentialD.suff

He is an ____ manager.A.proficientB.efficientC.potentialD.sufficient