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You ______have written such a long article. The teacher said 100 words would be enough.

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

You ______have written such a long article. The teacher said 100 words would be enough.

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

You ______have written such a long article. The teacher said 100 words would be enough.
A. mustn’t           B needn’t            C couldn’t         D. wouldn’t

 You ______have written such a long article. The teacher said 100 words would be enough.

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

You ______have written such a long article．The teacher said 100 words would be enough．

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