1.  A lot of gratulations have become famous people.

2.  Many graduates have been famous people.

3.  Many graduate students became famous people.

4.  Many graduates have been famous people.

5.  Many famous people graduated from my school.

6.  It has a history of seventy years, and many graduates have become famous people .

7.  Many graduates had become famous people.

8.  Many students who were gratuated have been famous people.

9.  Now many students who graduated from the school have become famous people.

10.  I read some books which were written by famous people.