Question

---Where did you first meet your boyfriend?

---It was in the department store ______ he worked.

1. A.
   which
2. B.
   that
3. C.
   where
4. D.
   what

Answer 1

C
考查定语从句和强调句型。补充完整是It was in the department store ______ he worked that I first met my boyfriend.定从 ______ he worked的先行词是the department store，从句缺地点状语，所以选C, where。