They let us use their computer, and_________we gave them the results of our research.

1. A.
   in short
2. B.
   in turn
3. C.
   in fact
4. D.
   in return

They let us use their computer, and_________we gave them the results of our research.

       A．in short    B．in turn      C．in fact      D．in return

 They let us use their computer , and ____we gave them the results of our research.

   A. in short        B. in turn        C. in return       D.in fact

They let us use their computer, and_________we gave them the results of our research.