The health official said ______ 12 suspected cases of influenza A (H1N1) were tested negative and ______, so far, this city has reported no case of the virus.

 A. what; that             B. that; what          C. 不填; that      D. that; 不填

____ enters the computer rooms should take off his shoes in order to keep them clean enough.

A. Who             B. Whoever            C. What               D. Whatever

____ team wins on Saturday will go through to the national championships.

  A. No matter what   B. No matter which   C. Whatever  D. Whichever

Word came _____ China’s first spacewalk was a great success.

   A. that             B. what              C. which            D. when

Please don't call me at the office _______ it's really necessary.

A. if                  B. unless             C. unless if      D. except

______________, the monument could be restored to its former glory.

A. If repaired well     B. If repairing well     

C. To repair well      D. Repairing well

 __________ children grow older, they need more understanding and support from their parents.

A. While         B. As        C. Before         D. Since

How can you expect to pass the Oral Test of PETS _________you never dare to practice in public?

A. in case         B. even if              C. unless                D. if

 ---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  

– Is your grandpa still smoking?     

-- No. It’s years ______ he smoked.

A. after        B. before    C. when  D. since