英语句型转换1.We will have to walk two days and nights without sle

英语句型转换
1.We will have to walk two days and nights without sleep?(对划线部分提问two days and nights 画线）
________ _________ will you have to walk without sleep?
2.It'smeaningful that we donate money to help the blind(改为同义句）
It's meaningful ______ ________ _________ donate money to help the blind
3.Remember to turn off the light before you go out(改为同义句）
_______ _________ ________ turn off the light before you go out
4.We got to know each other three years ago(改为同义句）
_________ three years _______ we got to know each other
5.Tom is too short to reach the toy on the top(改为同义句）
Tom is ______ short ______he can't reach the toy on the top
6.The weather was so bad that we had to give up our trip plan(改为同义句）
It was _______ bad weather _______ we had to give up our trip plan
7.The train has already left(改为否定句）
______________________________________________
8.We must speak to the elderly kindly(改为被动语态）
______________________________________________
9.It's necessary that you help each other after class(改为同义句）
It's necessary _______ _______ ______ help each other after class
10.The old woman was too tired to walk in the street(改为同义句）
The old woman was _______ ________　________she couldn't walk in the street