7、.Theboyisoldenoughtovisithisgrandparents________.Youdon'thavetoworryabouthim.答案 onhisownⅢ.单项填空1.She________forthecelebrationofthisnewyearfor4hours.A.waswellpreparedB.hasbeenpreparingC.hadbeenpreparedD.prepares答案与解析 B 考查时态。A项中的prepared是形容词,意为“准备好了的”。“thisnewyear”说明本句表示的“新年