— Where is my English book?

— I brought it to you _____you were in hospital yesterday afternoon.

       A. since                 B. if                     C. once                 D. while

---Where is my English book?

---I brought it to you _____you were in hospital yesterday afternoon.

1. A.
   since
2. B.
   if
3. C.
   once
4. D.
   while

--- Where is my English book?
--- I brought it to you _____you were in hospital yesterday afternoon

1. A.
   since
2. B.
   if
3. C.
   once
4. D.
   while

 — Where is my English book?

— I brought it to you _____you were in hospital yesterday afternoon.

       A. since                 B. if                     C. once                 D. while