Giúp e với ạ 1.Our __________ is all the air, water and land in which we live. A. area B. environment C. place D. pollution 2.Air __________ is a cause of ill-health in human being. A. dirty B. poison C. pollution D. contaminated 3.Mike failed the final exam, which made his parents ___________. A. disappointed B. disappoint C. disappointing D. disappointment 4.Lan speaks English ____________ than you. A. well B. better C. good D. best 5.I tried __________ to remember his name but I couldn’t. A. hard B. hardly C. hardest D. hardship 6.Plastic bags are very hard _______________. A. dissolve B. dissolving C. dissolved 7.________________ is the process of making something dirty or impure. A. Transformation B. Preparation C. Pollution D. Population 8.A lot of trees in forests are cut down, resulting in ___________________. (forestĐ 9.Solar energy doesn’t cause _____________________. (pollute) 10.He has made a __________________ to the police about the noise. (complain) 11.Please match these ___________________ problems to the picture. (environment) 12.The poet wants us to learn about keeping the environment ___________________.(pollute) 13.What could you do in your school to minimize ___________________. (pollute)