Complete the dialogue between a shop assistant and a customer with the sentences below.

Write one letter in each gap.

Shop assistant: Hello! Can I help you?

Customer: Hi! [ ]

Shop assistant: [ ]

Customer: Medium.

Shop assistant: Here you are.

Customer: Wow, it looks good! [ ]

Shop assistant: It's only $20 today.

A. How much does it cost?

B. Can you show me that jacket, please?

C. What size are you?