I.

1.A - 2.B - 3.A - 4.B - 5.B

I.

1. C

2. A

3. A

4. B

5. C

II.

1. are - going to do

2. goes

3. is watching

4. doesn't go

5. is skipping

6. isn't

7. speak

8. is going to visit

9. are playing

10. will go

11. wear

12. go

13. aren't playing

14. do

15. doesn't take

III.

1. My sister goes to the supermarket on foot.

2. Our garden has many flowers.

3. Does your father get to work by bike?

4. Nam's classroom is in front of the garden.

5. Her family has four people.

6. The hotel is in front of my house.

7. Are there twenty-five students in your class?

8. Your room is bigger than my room.

9. Let's go camping this weekend!