19. Keep the room t　　　　　 　or you will have to clean it.

18. The children is old enough to have their 　　　　(自己的) bedroom.

17. The swimming pool is 50 m　　　　　　 　long.

16. Tom is on the third floor and Mary is on the fourth floor, so Mary is one floor a　　　 　Tom.

15. He is cleaning himself in the 　　　　　　(a room with a bath, basin, toilet…).

14. Mum is preparing dinner in the k　　　　　 .

13. Jack 　　　　　　　(have or use something with others) a room with his brother.

12. Don’t w　　　　 , I’ll help you to find her.

11. It's too noisy (吵闹, 喧哗). Let's find a q　　　　 　place to talk about our plan.

10. The 　　　　　(第九) lesson is a little easy.