Помогите пожалуйста,вообще не могу понять как сделать

1 = это предложение сделано как пример ))

2 What time does the swimming-bath open?

3 How often does he write to his parents?

4 Why don’t you use your car very often? // Why don’t I use my car very often?

5 Do most pubs open and close twice a day?

6 What time does my // your sister start her day?

7 When does he work?

8 Who wears glasses?  

9 Do you // I like football and tennis?

10 Does water boil at 100 degrees centigrade?  

11 How many cigarettes a day does he smoke?

12 Where does the sun rise?

13 Why does little Kate go to bed early?

14 Where does your friend come from?

15 Do I see a dog or a cat at our door?

16 Which boys want to come with us?

17 How wide is the room?

18 Why don’t I like the wallpaper in my room?  

19 Whose parents often go to the theatre?  

20 Does Peter make a lot of mistakes?