1 making = > made

2 population => a population

3 did you do => were you doing

4 hardly => hard

5 with => from

6 holding => hold

7 less => fewer

8 for => up

9 where => which

10 stay => to stay

11 have => having

12 enjoys => enjoy 

1. making -> made
2. million -> millions
3. did you do -> were you doing
4. hardly -> hard
6. holding -> hold
7.less -> fewer
8. for -> up

9. where -> which

10. stay -> to stay

11. have -> having

12. enjoys -> enjoy

1. The old chair making in china is very valuable. It's worth buying.->made

2. Mexico city is one of the biggest cities in the world. It has population of 21,3 million-> a population

3. What did you do at 6 p.m yesterday? I phoned you, but nobody answered->bỏ

4. Although he worked hardly, he didn't succeed in his exam.->hard

5. My new job is quite different with the one I used to do->from

6. The bag is not big enough to holding all of the groceries->hold

7. He has less days off than his wife->fewer

8. My father bought her a dictionary so that she can look for new words.->her

9. The shrine of a vietnamese hero where they are going to visit isn't far from here.-->?

10. The doctor advised Max stay in bed for a week->to stay

11. How about going out and have some drink with me at the cafe?->having

12. TV helps people get the latest information and enjoys interesting programs in an inexpensive way.->enjoy

school => schools

Ex 3: Tìm và sửa lỗi sai (nếu có) các câu dưới đây:

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

2. No mountain in the world is the biggest than Everest. => bigger

3. Bill Gate is the richer people in the world. => richest

4. The bed room is biggest than the kitchen one. => bigger

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

6. This is the more wonderful movie she has ever seen. => most

7. No river in Viet Nam is the longer than Red River. => bỏ

8. Sally is the thinner girl in the class. => thinnest

9. The kitchen is smallest than the living room. => smaller

10. One of greatest football players in the world is Critsiano Ronaldo => the greatest

Ex 5. Chọn đáp án đúng.

1.His illness was ________ than we had thought at first.

A. much serious

B. more serious

C. serious

D. most serious

2. Nam is _______ in his class.

A. taller

B. the most tall

C. the tallest

D. more tall

3. Traveling by plane is _______ than traveling by car.

A. fast

B. more fast

C. the most fast

D. faster

4. Actually, today I feel ______ than I did yesterday.

A. the worst

B. worst

C. worse

D. bad

5. Could you speak Vietnamese _______ than, so I can understand what you mean?

A. more clearly

B. clearly

C. the most clearly

D. the clearest

6. That flight ticket is _________ of all.

A. expensive

B. the most expensive

C. more expensive

D. the expensive

7. Phong works ________ than most of him friends.

A. a lot more hardly

B. more hardly

C. many harder

D. much harder

8. I tried to spend ______ money.

A. little

B. less

C. the least

D. the less than

9. My friend is much _______ than me.

A. prettier

B. pretty

C. the prettiest

D. more prettier

10. My mom speaks Korean ______ I do.

A. fluently

B. more fluently than

C. more fluently

D. most fluently

11) What is the superlative of “fat”?

A. fattiest                         

B. the fattest                     

C. fattest

12) What is the superlative of “interesting”?

A. the more interesting                   

B. the most interesting               

C. most interesting

13) Which word is NOT spelled correctly?

A. shortest                 

B. youngest                   

 C. happyest

14) Which is the…………planet form the sun?

A. far                       

B. furthest                       

 C. farrest

15) Which sentence is NOT correct?

A. That was the most hardest exam ever!

B. This is the best bar in the city.

C. She’s the worst volleyball player in the school.

16) Question 6 is…………….question in the test.

A. most difficult                 

B. difficultest                 

C. the most difficult

17) The fish is…………thing on the menu.

A. the best                       

B. the goodest                       

C. best

18) That was…………film I’ve ever watched.

A. most boring                   

B. the most boring                   

C. boring

19) Karen is………….student in class.

A. healthy                           

B. healthier                         

C. the healthiest

20) Yesterday was…………..day of the year.

A. hottest                     

B. hotest                     

C. the hottest

21. My Japanese class is _______ than his English class.

A. funny

B. funnier

C. funniest

D. the funny

22. This chair is _________ than the other.

A. comfortable

B. the comfortable

C. more comfortable

D. most comfortable

23. No one in my group is _______ than Duong.

A. kinder

B. kind

C more kind

D. most kind

24. Hoang visits his parents ________ than she does.

A. little

B. least

C. the less

D. less

25. If Cuong had run ________ , his brother could have caught him.

A. fast

B. faster

C. the fastest

D. more faster

more=>most

the biggest=>bigger than

richer=>richest

biggest=>bigger

greater=>greatest

1 more => most

2 the biggest => bigger

3 richer => richest

4 biggest => bigger

5 greater => greatest

1. more -> most

2. the biggest -> bigger

3. richer -> richest

4. biggest -> bigger

5. greater -> greatest

1..Today chocolateis eaten all over in the world and is a multi-million dollar industry.

Chocolateins =>chocolate

2.Chocolate also contains one of the chemcals we be produce when we are in love

chemcals =>chemical

Chỉ tìm được z thui

1. that => which                    2. can attend                      3. among => between

4. wouldn't have been                     5. polite

1 the => bỏ

2 planting => being planted

3 greener => greenest

4 problem => problems

1. Last week, we traveled to our hometown by the train.

the=>bỏ

2. Many trees were planting when we visited the children.

planting=>planted

3. Stockholm is  one of the greener cities in the world.

greener=>greenest

4. One of the most serious problem now is the spread of COVID-19.

problem=>problems

The Swiss eat more chocolate than any other nation ,The Switzerland is also the country where the best chocolate is made ,although some people think it is Belgium .Chocolate originally came out from South America and the Spanish brought it to Europe .At first,it was used the drinking and was very expensive .Today chocolateis eaten all over in the world and is a multi-million dollar industry .It is one of Switzerland's biggest the industries after banking .Be careful when you eat chocolate .Some chocolate bars have more than a thousand for calories .Chocolate also contains one of the chemcals we be produce when we are in love.

is => are