问题描述：
几道英语句型转换题
1 All of us realize the importance of keeping the air clean.
______all of us______the importance of keeping the air clean?
2 The fire is sending out very thick smoke!
_____ _____ smoke the fire is sending out!
1 All of us realize the importance of keeping the air clean.
______all of us______the importance of keeping the air clean?
2 The fire is sending out very thick smoke!
_____ _____ smoke the fire is sending out!
问题解答：
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