The robot made breakfast for Mr Li.（改为被动语态）

Mr Jiang is a salesman. He works in Moonlight Town.（合并成一句）

I don't know when I'll post the letter.（改为同义句）

My mother bought me a toy robot for my birthday.（改为同义句）

Hobo is not a good dog because he's too lazy.（对画线部分提问）

He often writes a letter to his friend at night.（用now作时间状语改写）

　　Why don't you go out for a picnic?（保持原句意思）

　　______ ______ go out for a picnic?

　　I think you need some help.（改为否定句）

　　I ______ think you need ______ help.

　　The water is so cold that the little children can't drink it.（保持句意不变）

　　The water is ______ cold ______ the little children to drink.

　　This classroom is too small to hold so many people.（保持原句意思）

　　This classroom is ______ big ______ to hold so many people.