... lighting accounts (1 ) …………… .10 percent to 15 percent of the electricity bill However, this amount can be reduced by replacing an ordinary 10 0 -watt light bulb (2 ) ……………….an energy-saving bulb These ... If Trung……………………………………………………………………………………………… Bài giải gợi ý I II III IV 1. D, D, C, B, A, C, A, B, D, 10 B, 11 A, 12 C wonderful, interested, celebration, carefully goes, is sleeping, haven’t seen, ... These bulbs use a quarter of the electricity of standard bulbs and (3 ) ………………eight times longer Therefore consumers can (4 ) ………………about US$7 to US$ 21 per bulb VI Write a new sentence as similar as...