... ……………………………………………………………………………………………………………………………………………………………… Why does she think that the Internet is a wonderful invention of modern life? …………………………………………………………………………………………………………………………………… V Fill in the numbered ... households, lighting accounts (1)……………… .10 percent to 15 percent of the electricity bill However, this amount can be reduced by replacing an ordinary 100 -watt light bulb (2)………………….an energy-saving ... 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, phoned Sandra...