Tanya gave some money to Emily for cutting their grass, because 
OPTIONS:
- Tanya asked to do it.
- Emily asked to do it.
Emily asked to do it.

John emptied the water from the bottle into the cup but we still have some left in the bottle. The 
OPTIONS:
- bottle is big.
- cup is big.
bottle is big.

Chris started using the night light instead of leaving the bathroom light on, because the 
OPTIONS:
- night light used more electricity.
- bathroom light used more electricity.
bathroom light used more electricity.