He ____ to your home,because he didn't know your address.A must have beenB mustn't have beenC couldn't have beenD might have been

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• -Mr Wu must have been to your house yesterday morning.-No,he___.Because he didn't know my address.
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• He ____ to your home,because he didn't know your address.A must have beenB mustn't have beenC couldn't have beenD might have been
• -Mr Wu must have been to your house yesterday morning.-No,he___.Because he didn't know my address.could't?can't?哪个？
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• -Mr Wu must have been to your house yesterday morning.-No,he___.Because he didn't know my address.could't?can't?哪个？