71. I'd rather not make me annoyed by such silly questions.
72. It is a three-hours trip from Hai Phong to Ha Noi.
73. It is such an expensive book for me to buy.
74. We haven't gone to Da Nang since 10 years ago.
75. How long have you used this loptop?
76. This is the first time Nick has been to Viet Nam.
77. We spent five hours getting to Hai Phong.
78. Mr.Lam doesn't teach same subject as Mr.Hai
79. The match has been put off until the end of August.
80. I stayed up late last night as i wanted to finish my homework.
Chúc bạn học tốt!
