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---Is that Lucy’s sister, Lily?
---No, it _______ be her. She has gone to English.

1—Is that Lucy’s cousin, Anna?

—No, it ______ her. She has gone to Paris.

A. mustn’t be         B. might be         C. can’t be           D. could be

---Is that Lucy’s sister, Lily?

---No, it _______ be her. She has gone to English.

A．could            B．can              C．can’t            D．mustn’t

----Is that Lucy’s ring?

        ----_________.

A. Yes, that is. B. No, it isn’t.  C. No, that isn’t