21. Do you mind if I (fix) ______________ this broken chair for you ?
22. Would you mind (make) ______________ a birthday cake?
23. My brother is good at ______________ (fix) things.
24. May I ______________ (go) out now , Mom?
25. I want (come) ______________with my mother.
26.The doctor advised me(not smoke) ______________ cigarettes.
27. The boys stopped (play) ______________ football because of the rain.
28. Mai's mother told Mai (correct) ______________ the mistakes in her dictation.
29. Would you like (listen) ______________ to some music?
30. Nam enjoys ( play) ______________ soccer after school.
31. Lan asked me (go) ______________ to the supermarket.
32. I think you should (do) ______________ morning exercises regularly.
33. They used (go) ______________ to work by train.
34. Don’t let children (play) ______________ with matches.
35. You ought to (do) ______________ the homework yourself.
36. My father stopped (smoke) ______________ five years ago.
37. Mai doesn't have enough money (buy) ______________ a new bicycle.
38. I need (buy) ______________ some notebook.
39. My teacher said I should (spend) ______________ more time on my English.
40. Mr Hung told me (tell) ______________ him the truth.
41. Nga likes ( play) ______________ badminton.
42. They asked their children ( stay) ______________ at home.
43. Nam must (do) ______________ the homework himself.
44. My mother decided ( buy) ______________ a house last week.
45. I'd like (buy) ______________ some eggs.
46. The woman (sit) ______________ between Mrs. Hoa and Mrs. Ha is my mother.
47. I enjoy (play) ______________ soccer after school.
48. The doctor advised me (not smoke) ______________ cigarettes.
49. Would you like ( take) ______________ a photo?
50. It is interesting ( study) ______________ English.