Choose the correct alternative in each of these questions.Then ask and answer them a partner.
1 How much money do you spend/use on clothes every week?
2 How could you save/spend more water at home?
3 Is there any wasted/used space in this classroom?
4 Do you think that watching television is'a waste/saving of time?
5 Do you think you waste/spend a lot of electricity?
6 How many savings/uses can you think of for a mirror?