WORD FORM: 42. Many factories still allow –., such as toxic waste, to flow into our river. (pollute) 43. The government ought to — up th
WORD FORM: 42. Many factories still allow ………, such as toxic waste, to flow into our river. (pollute) 43. The government ought to …….. up the rules on river pollution. (tight) 44. Raising gasoline taxes means ……. the burning of fossil fuels. (courage) 45. The local residents got no ………. from the company about the … Đọc tiếp