句型转换（每空一词）大神来辅助我一下可好~

句型转换（每空一词）大神来辅助我一下可好~
1.It's important for us to devrlop a green lifestyle.（改为同义句）
_____ a green lifestyle _____ important for us.
2.We can save water by turningoff the tap when we brush our teeth.（改为同义句）
Wecan save water by turning off the tap when _____ _____ _____.
3.They should try to reuse waterif possible.（改为同义句）
Theyshould try to reuse water if _____ _____ _____.
4.Air pollution is harmful to ourhealthy.（改为同义句）
Airpollution does _____ _____ our healthy.
5.We shouldn't use plasticbags.We should take our own bags when shopping.（两句合并为一句）
Weshould take our own bags _____ _____ _____ plastic bags when shopping.
6.Tom will talk to the old manpolitely next time.（改为被动语态）
The old man will _____ _____ _____ _____ byTom next time.