All possible means have been used to prevent...
Câu hỏi: All possible means have been used to prevent air pollution. The sky is still not clear
A. Every possible means has been used to prevent air pollution so that the sky can be clearer
B. The sky is still not clear due to the fact that all possible means have been used to prevent air pollution
C. To prevent air pollution, every possible means has been used, and so the sky is still not clear
D. Every possible means has been used to prevent air pollution, yet the sky is still not clear
Câu hỏi trên thuộc đề trắc nghiệm
24 ĐỀ THI THỬ THPT QUỐC GIA NĂM 2019 Môn thi: TIẾNG ANH !!