一道英语题!高手进! 同义句改写.每空一词.

一道英语题!高手进! 同义句改写.每空一词.
1、They spent 20 thousand yuan in buying the car.
It __________ them 20 thousand yuan __________ __________ the car.
2、Grandpa often says , “Nothing is impossible”
Grandpa often says,“___________is_____________.”
3、The policeman stands behind my father.
My father stands _____ _______ ______ the policeman.
4、It will take him two hours to mend the machine.
He will _____ two hours ____ the machine.
5、How tall is your little son?
_______ _______ ________ of your little son?