连字组词。  

       完                           长                           坐                            天

           ↘

玩           成             经          常              座          位             明           字

     ↖

        好                           江                           下                           名

(完成)(好玩)          (         )(         )        (         )(         )        (         )(         )

— If the traffic hadn't been so heavy, I could have been back by 6 o'clock.

— What a pity!  Tina ________ here to see you. [      ]

A. is  

B. was 

C. would be  

D. has been