— Beijing or Shanghai? What did you mean?  

— We were talking about _______ go to college.

A. how to   B. where to    C. whether to  D. when to

— Beijing or Shanghai? What did you mean?   

— We were talking about _______ go to college.

A. how to   B. where to    C. whether to  D. when to

— Beijing or Shanghai? What did you mean?  

— We were talking about _______ go to college.

1. A.
   how to
2. B.
   where to
3. C.
   whether to
4. D.
   when to