A 100-year-old man ran a marathon(马拉松) in Toronto on Sunday. He became the ___ person to complete the long distance running in the world.
Have you got________books for the train journey?
This is the way________I have thought of to solve the problem.
A government,which is responsible for society,must________to its people how important the method is to prevent AIDS.
His mother had thought that it would be good for his character to________from home and earn some money on his own.
We live in an age________many things are done on computer.