单句改错和同义句转换、会做多少做多少、急~

单句改错和同义句转换、会做多少做多少、急~
单句改错：
1.Jay ji one of the best singer in Asia.
2.Our school football team needs our supports.
3.It's not possible of him to climb to the top pf the mountain.
同义句转换
1.To work out the problem is very difficult.
_____ _____very difficult _____ _____ the problem.
2.It will ___ take us a long to build more wild animals reserves.
We will ___ a long time ___ more wild animal reserves.
3.We provided food for the hungry children.
We provided the hungry children____　＿＿＿．
4.To protect the wetlands in Dafeng is important.
It's important ___ ____the wetlands in Dafeng.
5.She didn't feel happy because she failed the exam.
She ___　___because she failed the exam.
6.The president just stayed there for a short time.
The president just went there ___ ___ ____　____