THE TEACHER WILL EXPLAIN TO YOU IF YOU...HIM.(ASK)B .READING

5.The teacher will explain to you if you...him.(ask)B .Reading:(2,5 marks)Read the passage,then choose the correct answer :In Western (1)…… electricitity , gas and water aren’t luxuries but necessities. Companies now realize that consumers want (2) ….. that not only work effectively, but also save money. For most North American households, lighting accounts for 10 percent to 15 percent of the electricity bill. However, this amount can be reduced (3)….... replacing an ordinary 100-watt light bulb with an energy-saving bulb. These bulbs use a quarter of the electricity of standard bulbs and last eight times longer. Therefore consumers can (4)...about US $7 to US $21 per bulb. In Europe, there is a labling (5)…….. for refrigerators, freezers, washing machines and tumble dryers. The lable tells the customers how much energy efficency each model has, compared with other appliances in the same category.Untimately, these innovations will save money as well as conserve the Earth’s resources.