Do you know the man ______ is talking to Miss Wu?

Audrey Hepburn was a ballet dancer _______ a very young age.In her twenties she became a famous film star.[ ]

______ I know, many thousands of tourists from the Mainland have been to Taiwan. [ ]

This is the school _______ I studied three years ago.

_____ does it take you to go by bus from Tianjin to Beijing? —About five hours.[ ]