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A. What is the post office?B. Is this a post office?
C. Do you know where the post office is?2. 当你想问那张贺卡多少钱时，应说：
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A. How much is the card?B. How is the card?
C. How old is the card?3. 当你想问对方是否会照相时，应说：
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A. May I take your picture?B. Can you take a picture?
C. Can you help me to take a picture?4. 当你想问发生了什么事时，应说：
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A. What happening?B. What is happen?
C. What happened?5. 当你想问火车站是否有许多人时，应说：
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A. How many people are there in the train station?B. Are there many people in the train station?
C. Does the train station have many people?1. C 2. A 3. B 4. C 5. B