Thank you for your help and I hope I can do something for you_____.

A. in return      B. in turn   C. in reply   D. by turns

Thank you for your help and I hope I can do something for you_____.

1. A.
   in return
2. B.
   in turn
3. C.
   in reply
4. D.
   by turns

Thank you for your help and I hope I can do something for you_____.

A. in return      B. in turn   C. in reply   D. by turns

Thank you for your help and I hope I can do something for you_____.

Thank you for your help and I hope I can do something for you_____．

A．in return        B．in turn            C．in reply           D．by turns