Rewrite these sentences, keeping the original meaning: 
1. My house is bigger than your house.

→Your house is smaller than mine 
2. The black car is cheaper than the red car.

→The red car more expensive than the black car
3, This film is more interesting than that one.

→That film is more boring than this film
4. My kitchen is smaller than yours.

→ Your kitchen is bigger than my kitchen
5, My grandmother is older than every one in my family.

 → My grandmother is the oldest in my family
 6. No one in my class is as tall as Tam.

→ Tam is the tallest in my class
7. I can’t cook as well as my mother.

→ My mother can cook better than me
8. He does not play tennis as well as Jack.

→ Jack can play tennis better than him.
 9, I did not spend as much money as you.

→ You spent much money than me
10, I don’t think this book is expensive as it is.

 → This book is the most expensive it is
11. He is the tallest boy in his class.

→ No one in my class is as tall as him
12. This is the most interesting film of all.

→ No other films are as interesting as of all
13.No cars in the world are more expensive than Japanese ones.

→ Japanese cars are the most expensive in the world
14. This exercise is easier than that one.

 → That exercises is not as easy as this one
15. He drives more carefully than Jack does.

→ Jack drives more carefull than him does
16. No one in the group plays better than he.

→ He can plays the best in the group 
17. No hotel in the city is as comfortable as this.

 → This hotel is the most comfortable in the city
18. Other oceans in the world aren’t as large as the Pacific one.

→ The Oacific Ocean is the largest in the world

1/ Your house isn't as big as mine.

2/ The red car isn't as cheap as the black car.

3/ That film isn't as interesting as this one.

4/ Your kitchen is bigger than mine.

5/ My grandmother is the oldest person in my house.

6/ Tam is the tallest in my class.

7/ My mother can cook better than me.

8/ Jack can plays tennis better than him.

9/ You spent more money than me.

10/ This book isn't as expensive as it.

11/ No one in class is as tall as him.

12/ No other films are more interesting than this one.

13/ Japanese cars are the most expensive.

14/ That exercise isn't as difficult as this one.

15/ Jack doesn't drives as carefully as him.

16/ He can play the best in the group.

17/ This hotel is the most comfortable in the city.

18/ The Pacific Ocean is the largest ocean in the world.