11. When _________, the building will be used as a shelter and learning space for those homeless kids.

  A. completed    B. completing   C. to be completed    D. is completing  

12. __________ for the two free tickets, they would not have gone to Singapore for my holiday.

   A. If it is not   B. Were it not    C. Had it not been    D. If they were not 

13. Of all my classmates John’s English is better than ___________.

A. anybody else    B. anybody’s English    C. anybody    D. anybody else’s