--Can I tell my best friend about it?

   ---No. I don’t want anyone else to know. You _________ let it out.

A. mustn’t        B. won’t      C. don’t have to       D. don’t need to

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If you ____ do as I tell you , you ____ go to the party .

A . can ; shan''t      B . wil l; won''t     C . won''t ; shall      D . won''t ; shan''t

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