Tham khảo:

7. A dictionary is ( thick ) thicker than a notebook.

8. Buildings are (high) higher than houses.

9. Armchairs are (comfortable) more comfortable than stools.

10.Motorbikes are ( fast) faster than bicycles. 

11.The shoes are (nice) better than the boots.

12.This dress is ( beautiful) more beautiful than that dress.

13.Those green tomatoes are (sweet) sweeter than the red tomatoes.

14.The pink socks are (expensive)more expensive than the white socks.

15.Love is ( important) than important than money.

16.My father's cooking is (bad) worst than my mother.

III.Choose the best option to complete the following sentences.

1.She is ____ singer I've ever met.

A. worse

B. bad

C. the worst

D. badly

2. Mary is ____ responsible as Peter.

A. more

B. the most

C. much

D. as

3.It is ____ in the city than it is in the country.

B. more noisier

C. noisier

A. noisily

D. noisy

4. She sings ____ among the singers I have known.

A.the most beautiful

B. the more beautiful

C. the most beautifully

D. the more beautifully

5. She is _____ student in my class. 

B. more hard-working

D. as hard-working

A. most hard-working

C. the most hard-working

6. The English test was ____ than I thought it would be.

A. the easier

B. more easy

C. easiest

D. easier

7. English is thought to be ____ than Math.

A. harder

B. the more hard

C. hardest

D. the hardest

 6.The English test was_____than I thought it would be.

A. the easier

B. more easy

C. easiest

D. easier

7. English is thought to be ____ than Math.

A. harder

B. the more hard

C. hardest

D. the hardest

8. Jupiter is _____ planet in the solar system.

A. the biggest

B. the bigger

C. bigger

D. biggest

9. She runs ____ in my class.

A. the slowest

B. the most slow

C. the slowly

D. the most slowly

10.My house is ____ hers.

A. cheap than

C. more cheap than

B. cheaper

D. cheaper than

IV. Find and correct the mistake.

1. This is the more wonderful book she has ever read.

⇒ 1. This is a better book than she has ever read.

2. No moutain in the world is the biggest than Everest.

⇒ 2. No moutain biggest than Everest in the world.

3. Bill Gate is one of the richer people in the world.

⇒ Bill Gate is one of the richest people in the world.

4. The bed room is biggest than the kitchen one.

⇒ The bedroom is bigger than the kitchen one.

5. One of the greater football players in Vietnam is Quang Hai.

⇒ One of the bigger football players in Vietnam is Quang Hai.

V.Write sentences using the comparative of adjs.

1.Hue / small/ Ha Noi

⇒ Hue is smaller than HN.

2. My bag / big /your bag

⇒ My bag is bigger than your bag.

3.Lan / young / Hoa

⇒ Lan is younger than Hoa

4. This ruler / long /that ruler

⇒ This ruler longer than that ruler.

5. This room / large / my room

⇒ This room is larger my room.

6. iron / beavy / wood.

⇒ Iron is beavier than wood.

7. The dog / intelligent / a cow.

⇒ The dog is more intelligent than cow.

8. A rose /beautiful /a weed

⇒ A rose is more beautiful than a weed.

Chúc hc tốt~~

7.thicker

8.higher

9.more comfortable

10.faster

11.nicer

12.more beautiful

13.sweeter

14.more expensive

15.more important

16.worse

III

1c 2a 3b 4c 5c 6d 7a 8a 9a 10d 

IV

1mistake: more wonderful .correction:most wonderful

2mistake:the bigger .correction: bigger

3mistake:the richer . correction :the richest

4mistake:is biggest . correction :is bigger

5mistake:greater . correction: greatest