You needn’t pay any money for the book.(改为同义句)

问题描述:

You needn’t pay any money for the book.(改为同义句)
Why not go to the cinema at the weekend?(改为同义句)
Millie helps her mother do the cleaning.(改为否定句)

1.Why don't you go to the cinema at the weekend?( why not= why don't you)
2.Millie helps her mother with the cleaning.( help sb.do sth.= help sb with sth.)