----- Nội dung dịch tự động từ ảnh ----- III. Choose the correct answer to completë each sentence: stiwsi 16. Many people are wearing masks of transportation. A. because the exhaust smoke from all meuns B. due for C. because of D. as 17. Dustbins hae been placed in various places to make people C. stopping iz ndhite 18. A new filtration system has been installed to treat the waste, Hittering. D. stopped A: stop B. to štop the lake is no longer polluted: A. so Bhowever5 srli d: because o"pas in! 19. Looking at the messy room caused me stressed. A. feel B. to feel qblC.felt w D.felling 20. Dumping too many clothes or school things on the floor can "visual pollution. A. Tead in B. make C. cause D. result