The massive earthquake and tsunamis has killed 350 people in a coastal town in Chile so far, _______ the total death number reported last Sunday.
The boy is waiting ____ his sister and they will go to the hospital to wait ____ their sick mother.
Fresh air is good ____ your health.
It's very kind____ you to repair the bike ____ me.
We go to school ____ a bike.
It happened ____ the Long March.