. ---Remember the first time we met, Susan?

   ---Of course I do. You ______ in the library

    A. read         B. had read         C. were reading     D. would read

 31. ---Remember the first time we met, Susan?

   ---Of course I do. You ______ in the library

    A. read         B. had read          C. were reading      D. would read

 31. ---Remember the first time we met, Susan?

   ---Of course I do. You ______ in the library

    A. read         B. had read          C. were reading      D. would read

---Remember the first time we met, Susan?

---Of course I do. You _______ in the library.

　 A. read　　　　 　　 B. had read　　　 C. were reading D. would read

-Remember the first time we met, Susan?

-Of course I do．You ________ in the library．

1. A.
   read
2. B.
   had read
3. C.
   were reading
4. D.
   would read