3. A: Where do you want to visit?

     B: I want to visit Ha Noi Opera House.

4. A: How can I get to Ba Dinh Square?

     B: You can get there by bus.

5. A: Where do you want to visit?

     B: I want to visit Hoan Kiem Lake.

6. A: How can I get to Dragon Bridge?

     B: You can get there by bicycle.