----- Nội dung dịch tự động từ ảnh ----- 11. He sent me a nice gift on my birthday. A nice gift. 12. They grow rice in tropical countries. Rice....... 13. Someone cleans this room everyday. This room.......... 14. She hasn't done her homework yet. Her homework......... 15. We have asked some friends of hers to join us. Some friends........... 16. We have to improve all the schools in the city. All the schools........ 17. They are going to build a new bridge in the area. A new bridge.... 18. They have buit two department stores this year. Two department stores..... 19. We have just finished our homework. Our homework...... 20. Noone can solve this problem. Thin-L1...