_______________you call me to say you’re not coming, I’ll see you at the theatre.

A.  Though         B.  Whether     C.  Until       D.  Unless

 _____you call me to say you' re not coming, I'll see you at the theatre.

      A. Though                  B. Whether          C. Until                      D. Unless

_________you call me to say you' re not coming, I'll see you at the theatre．

　 　　 A．Though 　　 B．Whether　 　 C．Until　　　 D．Unless

______you call me to say you’re not coming, I’ll see you at the theatre.

1. A.
   Though
2. B.
   Whether
3. C.
   Until
4. D.
   Unless