I. Put the words into two groups.
| disaster | Easter | perform | festival | pollution |
| enjoy | enourmous | energy | water | natural |
| Stress on 1st syllable | Stress on 2nd syllable |
II. Find which word does not belong to each group.
1. A. density B. overcrowded C. crime D. megacity
2. A. drive B. cycle C. ride D. fly
3. A. float B. slum C. hunger D. explosion
4. A. safely B. poverty C. slumdog D. space
5. A. drive B. doctor C. criminal D. student
III. Match the two parts of the sentences.
| A | B |
| 1. overcrowded | a. the state of having very little money. |
| 2. spacious | b. a market usually held outdoors. |
| 3. slum | c. a very large city, typically one with a population of over 10 million. an |
| 4. poverty | area of a city where living conditions are extremely bad. |
| 5. megacity | d. bad health that is the result of not having enough food. |
| 6. malnutricion | e. the number of people in a place in relation to its area. |
| 7. density | f. with too many people. |
| 8. population explosion | g. large in size. |
| 9. overpopulation | h. a situation in which too many people live in a certain area. |
| 10. flea market | i. the sudden increase in the number of people in a country or in the world. |
➜1._____ 2._____ 3._____ 4._____ 5._____
6._____ 7._____ 8. _____ 9._____ 10.____
IV. Rewrite the sentences, beginning as shown, so that the meaning stays the same.
1. You forgot to turn off TV lats night, didn't you?
➜You didn't remember________________________________________________
2. I think you should go to word by bike.
➜Why don't_________________________________________________________
3. Mr Long lived in the countryside when he was a child.
➜Mr Long used_____________________________________________________
4. We will plant more trees along this street.
➜More trees________________________________________________________
5. Is pollution the most serious problem?
➜Pollution is________________________________________________________
I. Put the words into two groups.
| disaster | Easter | perform | festival | pollution |
| enjoy | enourmous | energy | water | natural |
| Stress on 1st syllable | Stress on 2nd syllable |
| Easter ; perform ; festival ; energy ; water ; natural | disaster ; pollution ; enjoy ;enourmous |
II. Find which word does not belong to each group.
1. A. density ( n) B. overcrowded ( adj ) C. crime (n) D. megacity (n)
2. A. drive B. cycle C. ride D. fly ( 3 cái kia là ở trên cạn , "fly" trên ko)
3. A. float (v ) B. slum (n) C. hunger (n) D. explosion (n)
4. A. safely (adv) B. poverty (n) C. slumdog (n) D. space (n)
5. A. drive ( v) B. doctor (n) C. criminal(n) D. student (n)
Cách làm mk đã ghi bên cạnh mỗi từ rồi nhé 
III. Match the two parts of the sentences.
| A | B |
| 1. overcrowded | a. the state of having very little money. |
| 2. spacious | b. a market usually held outdoors. |
| 3. slum | c. a very large city, typically one with a population of over 10 million. an |
| 4. poverty | area of a city where living conditions are extremely bad. |
| 5. megacity | d. bad health that is the result of not having enough food. |
| 6. malnutricion | e. the number of people in a place in relation to its area. |
| 7. density | f. with too many people. |
| 8. population explosion | g. large in size. |
| 9. overpopulation | h. a situation in which too many people live in a certain area. |
| 10. flea market | i. the sudden increase in the number of people in a country or in the world. |
➜1.___h__ 2.__g___ 3.__f___ 4.__a___ 5.___c__
6.___d__ 7.___e__ 8. __i___ 9.__f___ 10.__b__
IV. Rewrite the sentences, beginning as shown, so that the meaning stays the same.
1. You forgot to turn off TV lats night, didn't you?
=> You didn't remember turn off TV last night , did you ?
2. I think you should go to work by bike.
=> Why don't you go to work by bike?
3. Mr Long lived in the countryside when he was a child.
=> Mr Long used to live in the countryside when he was a child.
4. We will plant more trees along this street.
=> More trees will be planted along this street
5. Is pollution the most serious problem?
=> Pollution is the most serious problem , isn't it?
I.
| Stress on 1st syllable | Stress on 2nd syllable |
| Easter, festival,energy,water,natural | Disaster,perform,pollution,enjoy,enormous |
II.
1.C
2.D
3.A
4.A
5.A
IV.
1. You didn't remember to turn off TV last night, did you?
2.Why don't you go to work by bike?
3.Mr Long used to live in the countryside when he was a child.
4.More trees will be planted along this street.
5.Pollution is the most serious problem, it is?
