mik đã làm hết r ngoại trừ câu 2 và câu 7 hơi phân vân mọi ng giúp mik câu 2 với
Nowadays, environmentalists are so worried(1).....................environment problems that can (2).................... harm to people’s life . Among the problems mentioned every day, air (3).....................and water pollution are considered the most serious ones. There are many factors that cause the pollutionof air chemical from burned fuel, (4).................from automobikes and factories . Smoke can cause serious health (5).................... Raw sewage , water and oil contribute
to the pollution of water. When water is (6)................ it causes a lot of diseases and (7)....................marine wildlife. About billion people around world lack clean drinking water and every year, 5 million people die (8)................. diseases.
1. A. on B. about C. at D. of
2. A.does B. doing C. did D. do
3. A.pollution B. to pollute C. polluted D. pollutes
4. A. to smoke B. smoking C. smoke D. smoked
5. A.problems B. matters C. sollution D. difficulty
6. A.watered B. polluted C. littered D. saved
7. A.kills B. killing C. killed D. kill
8. A. at B. in C. about D. from
2D nha em, sau ''model verb'' ta dùng V nguyên thể
