读对话，回答问题。
Li Ming and Jenny are in a restaurant. They are hungry.
Waiter: What would you like?
Li Ming: I'd like noodles and chicken.
Jenny: I don't like chicken and noodles. I like hot dogs and French fries.
Li Ming: How much are they?
Waiter: They are twenty yuan.
Li Ming: Thank you.
Questions:
1. What does Li Ming like to eat?
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2. What does Jenny like to eat?
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3. How much are they?
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