3: My brother is a fast runner

4: Nga's favourite sport is badminton

5: My children are interested in English very much

6: I've never tasted any cake more delicious than this one before

7: Mice is the most beautiful person I've ever met

8: Your mother is the most kind-hearted person

9: Mr John is the best teacher in this school

10: Is this the biggest you have got?

Ex 7:

1: using → use

2: have → has

3: Do → Will

4: have → having

5: travel → will travel

6: know → knows

7: you have → Have you

8: beautiful → more beautiful

9: write → writing

10: were → have

11: to have → have

12: to leave → leave

13: to clean → clean

14: Do → Did

15: went → go

16: lived → have lived

17: answers → will answer

18: the most → the

19: more → most

20: to move → move

Ex 8:

1: In 2050, I will travel to the Moon

2: My parents buy an electric car

EX?:

3: My brother is a fast runner

4: Nga's favourite sport is badminton

5: My children are interested in English very much

6: I've never tasted any cake more delicious than this one before

7: Mice is the most beautiful person I've ever met

8: Your mother is the most kind-hearted person

9: Mr John is the best teacher in this school

10: Is this the biggest you have got?

Ex7:

1: using → use

2: have → has

3: Do → Will

4: have → having

5: travel → will travel

6: know → knows

7: you have → Have you

8: beautiful → more beautiful

9: write → writing

10: were → have

11: to have → have

12: to leave → leave

13: to clean → clean

14: Do → Did

15: went → go

16: lived → have lived

17: answers → will answer

18: the most → the

19: more → most

20: to move → move

Ex8:

1: In 2050, I will travel to the Moon

2: My parents buy an electric car