NOWADAYS BIG CITIES ARE MUCH __________ BY AIR POLLUTION AND NOISE....

4. Nowadays big cities are much __________ by air pollution and noise. (EFFECT)VI. Chọn một phương án đúng A, B, C hoặc D để điền vào chỗ trống trong đoạn văn sau. (1,0điểm)Every day, in homes all over the world, people waste huge (1) __________ of energy andwater. Hong Kong is estimated to waste about $ 5 billion worth of energy a year. This is due totheir bad habits. (2) __________ caving lights, air-conditioners and television on when no oneis in the room wastes a lot of energy. Using too (3) __________ water or not fixing drippingtaps also contributes to the problem. Most people do not realize that saving energy in the homewill actually save them money. If people use less energy, gas and electricity bills will becomelower. Most of the ways we can use to decrease energy consumption in the home are very use, orsimple. The most obvious one is turning off household appliances when they are not (4)__________ equipping our homes with energy-saving bulbs.