Task 3. Read and practise the dialogue. (Đọc và thực hành bài đối thoại.)

A: So we've learned a lot about New York and London. Let's make some comparisons between them.

B: All right. First, the area of London is 1610 square km. and that of New York is 946 square km. so London is larger.

A: That's right. But its population is as hig as that of New York. Both cities have a population of 7 million.

B: Yes. but New York has more high buildings than London.