It is essential for a college student to master at least a kind of foreign language.
2.It is wise to save up money in case of being old.
3.The man whois shaking hands with my father is a policeman.
4.The place where I lived is a village.
5.He passed the examination,which made his parents very happy.
6.A young man made friends with a girl,whom he wanted to make great impression on.
7.He streachedheld out a piece of paper,on wjich were these sentences.