情景對話--Possibility & Impossibility 可能與否

A: I'm short of money. Will you lend me some?
    B: Okay.
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    A: Can I get to Boston before five?
    B: Sure, you can.
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    A: Can you imagine?
    B: No, I can't.
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    A: Can we talk for a second?
    B: Sure. Is there something wrong?
    A: Well, sort of . Yes.
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    A: How can I make it up to you?
    B: I don't think you can.
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    A: Can I borrow your jacket?
    B: Sure. Which one?
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    A: I can't seem to reach him.
    B: Try again in half an hour.
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    A: Can't you take a little joke?
    B: It's no joke.
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    A: Can I change our schedule for tomorrow?
    B: No, it's too late now.