Câu hỏi trắc nghiệm (5 câu):
-
- A. contaminate
- B. pollution
- C. consumption
- D. solution
-
- A. doing
- B. trying
- C. causing
- D. making
-
- A. eco-friendly
- B. inappropriately
- C. disappointingly
- D. favourably
-
- A. providing - saving
- B. provide - save
- C. to provide - to save
- D. to provide - save
-
- A. threaten - deaths
- B. threaten - death
- C. threat - death
- D. threat - deaths