1. English is easier than Chinese.

2. Cat doesn't eat as much as dog.

3. Minh is the same age as his close friend.

4. I have more money than my sister does.

5. No one in your group works as hard as Tam.

6. Computers were more expensive than they are.

7. No one in my family cooks as well as my mother.

8. Motorbikes causes less pollution than cars.

9. Baths use much more water than showers.

10. Peter is the most intelligent in my class.

`=>`

1. English isn't as difficult as Chinese.

`=>` English is easy than Chinese.

2. Dog eats more than cat does.

`=>` Cat doesn't eat as much as dog.

3. Minh and his close friend are the same age.

`=>` Minh and his close friend aren't the different age.

4. My sister has less money than I do.

`=>` I have more money than my sister does.

5. Tam works the hardest in your group.

`=>` No one works as hare as Tam in your group.

6. Computers are cheaper than they were.

`=>` Computers were more expensive than they are.

7. My mother is the best cook in my family.

`=>` No one cooks as well as my mother in my family.

8. Cars cause more pollution than motorbikes.

`=>` Motorbikes cause less pollution than cars.

9. Showers don't use as much water as baths.

`=>` Baths use more water than showers do.

10. No one in the class is as intelligent as Peter.

`=>` Peter is the most intelligent in the class.