Put the following sentences in the right order to make up a dialogue.
Hi, Ann!Hi, Mary. How are you doing?No I haven’t, but I’m thrilled to see all the famous landmarks there.It’s a tower and a clock at the same time. It’s the symbol of London.Wow, it’s fantastic! Bring me some photos from your trip, please.What is it exactly?I’m doing great. I’m going to London this weekend.Really? It’s amazing. Have you ever been there before?What is the most famous one?I think the most famous is Big Ben.

Hi Anne! Hi Mary How are you? I'm great. I'm going to London this weekend. True? It is surprising! Have you ever been there before? No, I do not know, but I am very glad to see all the famous attractions. It is a tower and a clock at the same time. This is a symbol of London. Wow, this is fantastic! Bring me some photos from your trip, please. What exactly? Which is the most famous? I think the most famous is Big Ben.