Nhanh lên bạn ơi minh cần gấy

52. B. inventions

53. B. donation

54. C. difficulty

55. B. hearing

56. B. launched

57. C. swam

58. A. That's a great idea!

59. A. bloc

60. A. consists

61. D. on

62. B. laughing

63. D. to going

64. B. listening

65. D. from

66. C. The same to you!

67. D. Sure thing!

68. C. I advised her to see a doctor

Mark the letter A, B, C or D to indicate the underlined part that needs correction

69. D. studying

70. A. ought to not

71. C. have better