The man is going to buy a big house when he _________ more money.
Where _______ the 2008 Olympic Games _______?.-You don’t know? Beijing!
This is not an economical way to get more water; ____, it is very expensive.
_________ the people lost their lives in the traffic accident.
I think trees ____________ twice a week in such hot weather.—Yes, I agree. Or they may die without water.