【1.togetawell-paidjob,______AitisabsolutelynecessaryforonetohaveagoodeducationBonewillsurelyhavetohaveagoodeducation请问为什么不能选A2.thepalace_____the16thcenturywillbetorndownAdatingbacktoBdatedfrom】

　　1.togetawell-paidjob,______

　　Aitisabsolutelynecessaryforonetohaveagoodeducation

　　Bonewillsurelyhavetohaveagoodeducation

　　请问为什么不能选A

　　2.thepalace_____the16thcenturywillbetorndown

　　AdatingbacktoBdatedfrom

　　为什么不选B.相当于（whichwas）datedfrom.

　　3.theyaredemandingsome______beforetheysigntheagreement,

　　AguaranteesBpromisesCinsurances

　　为啥不选B

　　4.Chinawillbean_____andpowerfulcountryin20or30years~stime.

　　AadvancedBdavancing

　　5.withsomanyeyes_fixed___onher.

　　请问为啥不是fixing.,非谓语动词在这里是主动的啊?

　　6.对比第5题

　　since____fromthefactory,hehasdonevoluntaryworkforacommunity.

　　AretiringBretired

　　.我感觉是省略了（Heis）应该是sinceheisretiredfromthefactory,hehasdonevoluntaryworkforacommunity.

　　为什么不对啊.