Question

---Is that your watch        the lost and found case?

---Please call me       685—6034.B：Oh, thank you.

1. A.
   in, in
2. B.
   at, at
3. C.
   in, at
4. D.
   at, in

Answer 1

C
此题考查介词的用法。In the lost and found case表示在失物招领处，给某人打电话要用call sb at +电话号码