Only can when we take some measures,we will ...这句型正确不

Only can when we take some measures,we will ...这句型正确不 we must take some measures to prevent the environment being We should urge the government to take some ( ) measures to ( We can use c____ to take some photos when we go on a trip.怎么 I think we need to take some positive measures.为什么think we之间 单词拼写If we don't take measures to stop pollution,we will r___ we can go only when the ground_________ We can go only when the ground_____. l ' m sorry to disturb you.we' l l take some measures immedi To live a happy life,we must take some measures to prevent p only when we get to the destination,we can feel Only in this way can we live happily这句话正确吗?为什么是can we?