72. If you work hard, you will pass.

73. Unless you gives full attention to your studies, you will succeed.

74. Unless you hurry up, you will miss the train.

75. Though Ruth ran very fast, she doesn't catch up with Mark.

76. He has already delivered a good performance since nobody can question his eligibility.

77. I know that he is a brave boy.

78. He asked me weather I would accompany him.

79. She cannot go to school before she fully recovers from her illness.

80. Both Jane and her sister are quiet warm and friendly.

`#Study well`

Bạn tham khảo nhé :

72 If you work hard , you will pass
73 Unless you give full attention to your studies , you will not succeed
74 Unless hurry up , you will miss the train 
75 Though Ruth ran very fast . She could not catch up with Mask
76 Since he already delivered a good performance . Nobody can question hís eligibility.
77 I know that he is a brave boy.
78  He asked whether he would like to accompany him.
79 She cannot go for work before she fully recovers from her illness.
80 Both Jane and her sister are quite warm and friendly.
#duyanhdepty
#xin hay nhất cho nhóm nha