Match the items on the right to the items on the left by dragging them over. Your score is calculated by adding up the scores for all the questions that have been answered so far (correct and wrong tries), and changing the result into a percentage.
This is _______ what I think, too. We need to conserve more water.
We keep about fifty ________ of water at home in case of emergency.
The cost of purifying water is so ____________ in some places that governments need to come up with cheaper ways to clean it.
Hey. I'm __________________, so you have to figure out how to pay for school yourself.
Maria can't ________ to rent her own apartment, so she is living with us right now.