--Where did you put my dictionary after using it this morning?

--I put it back ______ I took it.

---Where did you put my dictionary after using it this morning?
---I put it back ______ I took it.

1. A.
   at which
2. B.
   where
3. C.
   there
4. D.
   there where

--Where did you put my dictionary after using it this morning?

   --I put it back ______ I took it.

A. at which     B. where         C. there           D. there where

 --Where did you put my dictionary after using it this morning?

   --I put it back ______ I took it.

A. at which     B. where         C. there           D. there where

--Where did you put my dictionary after using it this morning?
--I put it back ______ I took it.