I recognized him __________ he appeared on the stage.
The result was not the same ________ the professor had expected, ________ was rather disappointing.
Was it through Mary, ________ was working at a high school, ________ you got to know Tom?
Nowadays people are more concerned about the environment ________ they live.
In spite of all ________ has been said, quite a lot of people are still uncertain about the prices of housing in China.
Many people tried to leave the country, ________ there was much violence and a serious shortage of food supply.