11. Mai intends to help her mother with the housework. àMai is _____________________________________________________________________. 12. The children are going to have a picnic this weekend. àThe children ________________________________________________________________. 13. The doctor intends to operate his patient. àThe doctor__________________________________________________________________. 14.He drew that beautiful picture without any help. àHe________________________________________________________________________ 15. They had to cook dinner by themselves. àThey had to cook dinner on ___________________________________________________ 16. No one helped Lan fix her dress yesterday. à Lan______________________________________________________________________ 17. Sara, did you write this poem on your own? àSara, _____________________________________________________________________? 18. No one helps Nam clean his bicycle. àNam______________________________________________________________________ 19. I live on a farm once, but I don’t any more àI used _____________________________________________________________________. 20. My sister played tennis a lot, but she doesn’t play very often now ->My sister used ________________________________________ à là dấu suy ra nha mn, mk vote 5 sao vs ctlhn ạ