27. -----Is it cold enough for _____ a frost tonight?

     -----No, not at this time of the year, dear. You’ll be able to see it in a month.  

     A. there will be                       B. there being 

     C. there is                              D. there to be 

   28. She is no longer the sweet little girl _____ she used to be.

      A. what                                  B. who

     C. when                                   D. that   

  29. She _____ her keys in the office so she had to wait until her husband _____.

    A. has left, comes                      B. left, had come   

    C. had left, came                       D. had left, would come  

    30. Thank you for the trouble you have had _____ me find the house.

     A. help                                    B. helping 

      C. helped                              D. to help

     31. Only when _____in the afternoon _____ able to leave.

          A. the match was over, they were  

          B. over was the match, were they

          C. was the match over, they were  

          D. the match was over, were they               

     32. He reached the station _____ only _____ that the train had left.

       A. tire, learned        B. tiring, learning