31．―Could you please come to the museum with me this afternoon?―Sorry, I . I have to take a piano lesson at 2 pm. A．couldn’t B．mustn’t C．can’t D．needn’t 【查看更多】

 

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---Could you please come to the museum with me this afternoon?
---Sorry, I ______ . I have to take a piano lesson at 2 pm.
A．couldn’tB．mustn’t
C．can’tD．needn’t

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—Could you please come to the museum with me this afternoon?
—Sorry, I ______. I have to take a piano lesson at 2 pm.
[     ]
A. couldn't
B. mustn't
C. can't
D. needn't

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—Could you please come to the museum with me this afternoon?
—Sorry, I_____. I have to take a piano lesson at 2 p.m.
[     ]
A. couldn't
B. mustn't
C. can't
D. needn't

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—Could you please come to the museum with me this afternoon?

—Sorry, I         . I have to take a piano lesson at 2 pm.

A．couldn’t          B．mustn’t         C．can’t         D．needn’t

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—Could you please come to the museum with me this afternoon?
—Sorry，I ________．I have to take a piano lesson at 2 pm．

A．couldn’tB．mustn’tC．can’tD．needn’t

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