40b shouldn't(không nên ăn nhiều thịt)

III.1 does(every day)

2 is listening(now)

3 will visit(this summer vacation)

4 to drink(would like)

5 are playing(now)

6 doesn't go(hiện tại đơn)

7 do...jog(usually)

8 will visit(this summer vacation)

9 going(what about)

10 drive(mustn't)

IV.1 noisily

2 teeth

3 comfortable

4 bakery

5 teacher

6 teeth

7 sailing

8 fifth

9 smaller

10 usually

V.1 phil

1 population

2 visit

3 clock

4 pollution

5 streets

6 best

7 five

8 world

VII.1 let's eat some rice

2 she has brown eyes

3 what is your favourite drink?

4 there are 12 classrooms in our school

5 what about going to the park?

6 why don't you watch television?

7 what about going to the movies?

8 how is the weather in the spring?

9 why don't we visit our friends?

10 what is the weather like this morning?

VIII.1 an->x

2 this->these/those

3 it is->is it

4 ride->riding

5 some->any

6 watching->is watching

7 tooth->teeth

8 drink->drinking

9 full-> hungry

10 season->seasons

E : I

1. does

2. listens

3. visit

4. are playing

5. drinking

6. doesn't go

7. jog

8. visit

9. going

10. drives

E2

1. Noisy

2. teeth

3. comfortable

4. bakery

5. teacher

6. sailing

7.  five

8. smaller

9. usually

E3

1. population

2. visit

3. clock

4. popultion

 5. streets

6. five

7. best

8. world

E4

1 let's eat some rice

2 she has brown eyes

3 what is your favourite drink?

4 there are 12 classrooms in our school

5 what about going to the park?

6 why don't you watch television?

7 what about going to the movies?

8 how is the weather in the spring?

9 why don't we visit our friends?

10 what is the weather like this morning?

E5.1 an->x

2 this->these/those

3 it is->is it

4 ride->riding

5 some->any

6 watching->is watching

7 tooth->teeth

8 drink->drinking

9 full-> hungry

10 season->seasons