Mấy câu mình không ghi vào là bạn làm rồi mình nghĩ là đúng rồi nha

I.

6.D

II.

3a

5b

6a

7b

9c

10a

11a

12b

13a

14d

15a

16c

17a

18b

19b

20a

III.

1.Shall we go ............................................... this afternoon?

Oh, sure

2.Shall we ..............................................................?

No, we shouldn't eat fast food

3.Shall we do homework together after school?

Yes, sure.

4.Shall we ............................................................. ?

Sorry, I'm busy

IV.

1.................................is bigger than ....................................

2.The December is longer than the .......................

3....................................is warmer than ............................

4...................................is older than ...................................

5....................................is heavier than ...................................

6...................................is more interesting than ...................................

7...................................is more talkative than ...................................

8...................................is more comfortable than ...................................

9...................................is more expensive than ...................................

10...................................is more difficult than ...................................

11...................................is taller than ...................................

12...................................is shorter than ...................................

13...................................am stronger than ...................................

14...................................is more confident than ...................................

15...................................is more creative than ...................................

16...................................are worse than ...................................

17...................................is more attractive than ...................................

18.I am happier in school than ...................................

19................................... are more populated than they were ...................................

20................................... is more intelligent than ...................................

V.

1.more difficult than

2.more dangerous than

3.more boring 

4.more confident than

5.more exciting than

6.better than

7.heavier than

8.shorter than

VI.

1................................. hotter than Sweden.

2................................. noisier than Dalat.

3.There are many motorbike in the town.

4.................................faster than trains.

5.................................often more polluted than that in the countryside.

6.................................a theatre in your neighbourhood?