1)can you turn the light?it's too dark A on B off C in D for 2)what are you looking ?my picture book i've lost it A on B off C in D for 3)there are saving methods and inventions to use solar energy A energetic B energize C energy D energetics 4)i had to pay much money this month for the international A calls B calling C to call D called 5)a new air-conditioner will be this morning A to install b installed C installing D to install 6)scientists are looking for an way to reduce energy consumption A effect B effection Ceffective D effectively 7)we can easily in the daylight A to read B reading c readed D read 8)she won't take all these suitcases she likes to travel light A so B but C because D therefore 9)they are completely short of water now a number of people have died because of this A shortage B short C shorten D shortly 10)what can we do to spend less lighting? A in B on C about D of