【C18】A．requestedB．demandC．requiredD．claimed

请根据选项回答（80）题：A.availableB.givenC.requiredD.ready

Customers often defer payment for as long as possible.A．makeB．demandC．obtainD．postpone

【C19】A．conclusionB．summaryC．decisionD．claim

【C5】A．announceB．disclaimC．declareD．claim

【C4】A．requestedB．supposedC．insistedD．expected

His claims seem 【credible】 to many people.A. work