As the warm air rises, cooler air replace it(takes its place)．

We Chinese use chopsticks replacing(in place of)knives and forks．

Plastics are replacing(taking the place of)wood, metal and glass for many uses．

The gate was broken so we replaced it with a new one．

At that time, women were not admitted to universities．

The chairman refused to give any interview to journalists or TV men．

Good news for you, the president of the company will interviewed you for himself this afternoon．

By her hard work, she won herself a place on the school team．

The conference was hosted by that committee．

As we all know, Beijing is to host the 2008 Olympic Games．