Bài soạn 12 CB UNIT 10 TEST 3
... Clearing forests for timber has resulted _______ the loss of biodiversity. a. with b. at c. in d. for 12. Humans depend on species diversity to provide food, clean air and water, and fertile soil for
Ngày tải lên: 26/11/2013, 13:11
Bài soạn 12 CB UNIT 10 TEST 4
... have built a particular reserve' which is suitable _______ pandas. a. at b. upon c. in d. for 12. We should do something immediately to conserve _______ nature a. a b. an c. the d. Ø 13. Everyone
Ngày tải lên: 26/11/2013, 13:11