38. The boy told his friends not to make too much noise.

39. He told me that he didn't want me to make a silly mistake again.

40. John asked Mary how long did it take her to get to London.

41. The driver asked the passengers not to get off the bus while it was moving.

42. She asked Jack if he had a new car.

43. The man asked me how many student there were in my class.

44. It is important to do exercises before going to school.

45. He is fond of collecting old coins.

46. Jane spent three hours to sort out her stamps.

47. Mastering English is necessary.

48. He is looking forward to hearing from her as soon as possible.

49. The children enjoy playing in the rain.

50. Would you mind closing the door, please?

- Thieukhue