HƯỚNG DẪN HỘ TÔI CÂU 81 - 90 NHÉ HELP ME

81. Who are we going to the Flower Festival in Da Lat with?
   Hỏi về người: Who 
82. How much time does it take to travel from HN to NT by plane?
   Hỏi về khoảng thời gian: How much time
83. Vietnamese people follow a tradition of worshiping their ancestors.
   follow sth: làm theo gì đó
   giới từ (of) + V-ing
84. The Viet Kinh people account for 87% of the country's population.
   account for: chiếm
85. Russians have a tradition of shaking hand firmly when greeting a guest.
   firm handshake = shaking hand firmly
86. You should eat with your right hand in India.
   It's a good idea + to-V = You should + V: nên làm gì đó
87. Susan promises that she won't go to school late again.
Susan promises not to go to school late again.
   makes a promise = promises: hứa
88. Kimchi and Tokbokki of Korea are famous all over the world.
   popular in the world = famous all over the world: nổi tiếng trên toàn thế giới
89. If you don't bring a compass, you will be lost in the forest.
If you bring a compass, you won't be lost in the forest.
   Câu điều kiện loại 1 (có thể xảy ra ở tương lai): If + HTĐ, TLĐ
90. Unless Tom finishes his homework, his mother won't let him watch TV.
   Unless = If not