G. It was wonderful. I visited many famous places.
F. I also saw double-deckers and the red telephone box – two symbols of London.
B. Sounds fantastic. What else did you see?
A. Really? Where did you go?
E. I went to Buckingham Palace and watched the Changing of the Guard. Then I visited Big Ben and took a boat ride on the River Thames.
D. So glad that you had a great time there.
C. Hi Nam. How was your tour of London?