摘要：-Is Mr Hu in the reading room? -No,he be there.He has gone to Tianjin. A.mustn’t B.needn’t C.won’t ’t
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---Is Mr Hu in the reading room?
---No, he _______be there. He has gone to Tianjin.
---No, he _______be there. He has gone to Tianjin.
| A．mustn’t | B．needn’t | C．won’t | D．can’t |