You can speak slowly once and then you can speak naturally
A: Are Diane and Paul here?
B: Yes, they've just arrived
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A: Are you hungry?
B: No, I've just had dinner
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A: Is Tom here?
B: No, I'm afraid he's just gone.
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A: What time are Diane and Paul coming?
B: They've already arrived
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It's only 9 o'clock and Anna has already gone to bed
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A: Jon, this is Emma.
B: Yes, I know. We've already met.
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A: Are Diane and Paul here?
B: No, they haven't arrived yet
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A: Does James know that you're going away?
B: No, I haven't told him yet.
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-Silvia has bought a new dress, but she hasn't worn it yet.
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A: Have Diane and Paul arrived yet?
B: No, not yet. We're still waiting for them.
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A: Has Nicole started her new job yet?
B: No, she stars next week
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A: This is my new dress
B: Oh, it's nice. Have you worn it yet?
