31. My mother thinks (sew). .................. is very helpful to all girls.
32. I often go to bed after (finish). ..................... my homework.
33. Ba likes sports, especially (play). ..................... football and (swim). ..................
34. Does she hate (cook). ...................... ? No. She is very fond of (cook). ................
35. Nga sometimes has to go to school very early (do). ................... her class duties.
36. Let her (decide). ...................... where (go). ......................
37. We should persuade him (go). ...................... with us.
38. (think). ................... carefully helps us do things well.
39. I'm looking forward to (hear). ........................ from you soon.
40. The stomachache prevented him from (enjoy). ....................... the meal.
41. My father has given up (smoke). ........................ He stopped (smoke). .............. two weeks a go.
42. The glasses (break). ................... last night is mine.
43. It's very interesting (go). ......................... fishing with you.
44. The boy (punish). ..................... by the teacher is Nam.
45. After (hire). ..................... a canoe, they climbed in.