she is doing her homework now
a dog is next to a cat in the room
mai is more beautiful than lan
 

11. is/ She/doing/ her/ now./ homework
12. next to/ A dog/ a cat/ is/ in the room.
13. Mai/ Lan/ than/more/is/beautiful/
14. should/You/your/relatives/Tet/at/visit
15. I'many/have/table/books/the/on/my/bedroom/in
từ mấy câu trên, đáp án là:
11 She is doing her homework now
12 A dog is next to a cat in the room
13 Lan is more beautiful than Mai
14 You should visit your relatives at Tet
15 I have many books on the table in my bedroom