Fill in the Blanks 4 Ways to Conserve (p. 8)Online version Read p. 8 and complete the spaces. by Peter Reilly 1 house things example energy need your reduce planet conversation add difficult night Energy does not have to be . You don't to buy a hydrongen - powered car , for , or sit in a dark every . Instead , try to do several small each day to the amount of you you use . These small things can up to big savings on energy bill , and they can be a big help to the as well .