73, The book is between the laptop and the lamp 

(Vì cuốn sách nằm bên trái laptop và bên phải đèn => sách nằm giữa laptop và đèn)
74, Excuse me! Can you tell me the way to the post office?
75, Excuse me! Could you tell me how to get to the cinema?
76, - The Green hotel is more expensive than the Blue hotel
- The Green hotel isn't as cheap as the Blue hotel

77, - The Square in Ha Noi is bigger than the Square in Hoi An
- The Square in Ha Noi isn't as small as the Square in Hoi An
78, Why don't we go out and have an ice-cream?

Why don't we V0 = Let's V0
79, How can we get to the bus stop?
80, Could you tell me how to get to the cathedral?