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Unit 4 Listening Task 2 Mr. Brown is talking with a clerk in a bank. Listen to the conversation and answer the following questions. 1. How much unused RMB does Mr. Brown have? He has _____________ yuan. 2. Why can't Mr. Brown take the unused RMB back to his home country? Because _________________________. 3. What is the exchange rate between RMB and USD in Mr. Brown's memo? It's one US dollar to _____________ yuan.