（·黑龙江省哈三中高三上月月考）        32. ---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

（2010·黑龙江哈三中高三10月月考）27. ---Mum, I failed the test again.

  --- Oh, I knew it. How can you learn anything ____ you spend all your free time watching television.

A. while              B. as      C. when            D. unless  

（·黑龙江省哈三中高三上月月考）        27. ---May I remind you that Mr. White is waiting outside, Mrs. Green?

   ---Oh, I _________ all about it.

 A. forget         B. had forgotten      C. forgot                D. was forgetting 

（·黑龙江省哈三中高三上月月考）        27. ---May I remind you that Mr. White is waiting outside, Mrs. Green?

   ---Oh, I _________ all about it.

 A. forget         B. had forgotten      C. forgot                D. was forgetting 

（·黑龙江省哈三中高三上月月考）        32. ---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