四. 完成句子 (10分)
1. 很明显，农业对经济的发展起关键作用。
It is obvious that agriculture ______ ______ _____ the development of economy.
2. 她突然到来，使得他不能外出。
Her sudden arrival _____ _____ _____ _____ out.
3. 请允许我作一下自我介绍。
Please ________ me ________ introduce myself.
4. 他借给我们钱，这使得我们有可能建一座新教学楼。
His lending us the money has _____ ______ ______ for us to build a new teaching building.
5. 父母的言行终身影响孩子。
______ _______ _______ and _______ has a life-long effect on their children.