Used to TV shows, where everything is quick and entertaining ,many people do not have the to read a book that requires thinking.

Be careful when you cross this busy street. ________, you may get run over by a car.

nson insisted that he _____his debts, but nobody believed him

The 2010 Expo will take place in Shanghai, ________ many countries consider a good chance to introduce their cultures to the world

I usually go to school ____ bike, but sometimes ______ foot.