6．Parents sometimes find it difficult to __communicate with__ their teenage children.

　　7．The book has __inspired__ a great many teenagers __to__ make more friends and take part in more activties.

　　8．The court finally __put__ the criminal __to death__ because of the murder.

　　9．We should __fight for__ our independence and freedom.

　　10．The children will not __be allowed to__ go to the supermarket if they don't behave themselves.

　　Ⅲ.完成句子

　　1．__Once you have made the plan__ you should carry it out at once.(once)

　　一旦你制订出了计划，你应该马上执行。

　　2．Only by making joint effort __can we improve rapidly__.(improve)

　　只有通过共同努力，我们才能迅速提高。

　　3．__It has been argued that__ gifted children should be grouped in special classes.(argue)

　　有天赋的孩子应该被单独放在特殊的班级中，这个问题一直被人们争论。

　　4．__Having achieved his goal__ has given him much confidence，and he works even harder.(achieve)

　　实现的目标给了他很大的信心，他工作更努力了。

　　5．__Having devoted his whole life to mankind__ ，he was highly thought of.(devote)

　　倾其一生来造福人类，他受到了人们的高度评价。

　　6．What he wanted then was __to lead a simple life__.(lead)

　　他那时想要的是过一种简单的生活。

　　7．The campaign __(which was) launched by the government__ was aimed to reduce the traffic accidents.(launch)

　　由政府发起的这项运动的目的是减少交通事故。

8．It turned out __that he had a close connection with__ the matter.( connection)