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---Is Jack on duty today? ---It be him. It's his turn tomorrow. A. mustn't B. wo

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---Is Jack on duty today? ---It be him. It's his turn tomorrow. A. mustn't B. wo

---Is Jack on duty today?

    ---It ________ be him. It's his turn tomorrow.

    A. mustn't         B. won't            C. can't            D. needn't

试题答案

C

解析: