【C5】A．timeB．requestC．meansD．obligation

【C5】A．requireB．requestC．urgeD．appeal

【C8】A．benefitB．profitC．favorD．oblige

【C15】A．faithfulnessB．fidelityC．loyaltyD．obligation

An application form. will be sent to you_____ 。A,on requestB.on a requestC.in request

【C7】A．answerB．requestC．questionD．difficulty

【C14】A．answerB．requestC．questionD．difficulty