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-- Mum, will you buy me an MP3 player? -- I'm afraid I , dear. We are short of money now. A. can't B. mustn't C. shouldn't D. needn't 【查看更多】

 

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-- Mum, will you buy me an MP3 player?

    -- I'm afraid I__________, dear. We are short of money now.

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

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