Every possible means _____ to prevent the pollution,but the sky is still not clear.

相关推荐

• Every possible means _____ to prevent the pollution,but the sky is still not clear.A is used B are used C has been used D have been used A,C 该如何判别?
• To my disappointment every possible means —— to prevent air pollution butthe sky is stillnotcleaA.are being used B.have been usedC.has been usedD.had been used选什么 为什么
• Every possibles means （ ）to prevent the air pollution,but the sky is still not clear.A.is used B.are used C.has been used D.have been used哪一个?为什么?
• Every possible means _____ to prevent the pollution,but the sky is still not clear.A is used B are used C has been used D have been used
• Every possible means _____ to prevent the pollution,but the sky is still not clear.
• To my disappointment every possible means —— to prevent air pollution butthe sky is stillnotclea
• Every possibles means （ ）to prevent the air pollution,but the sky is still not clear.
• Every possible means _____ to prevent the pollution,but the sky is still not clear.
• 最好的方法是你拿张纸,放嘴前,发音,D会让纸动,T不让纸动.看了这个觉得你的解释最好,所以想问一下西班牙语b和p在读音上有什么区别
• To my disappointment every possible means —— to prevent air pollution butthe sky is stillnotclea