1.  More and more women, besides men, are playing roles in the political arena.

2.  Men and women should play different roles in society because of their personal characteristics.

3.  Men and women need play different roles in life.

4.  Everyone may play a different role in life, just like everyone should have his or her own role in life since everyone is distinct.

5.  Second modern universities must play an important role in society life.

6.  Food and cooking has played an important role in man's history.

7.  We can play a great variety of ball games.

8.  Seconly, communication does play an essential role in making up a big platform for people to experience different culture , open their minds and broaden their horizons.

9.  We can play a game called "fruit ninja" when we wait for the subway.

10.  This may play a role in women's complaints that men don't listen to them.