——Where did you come across our chemistry teacher ?

------ It was in the supermarket ______ I purchased mooncakes.

A. that             B. which           C. where                D. when

——Where did you come across our chemistry teacher ?

------ It was in the supermarket ______ I purchased mooncakes.

that             B. which           C. where                D. when

---Where did you come across our Chinese teacher ?

--- It was in the supermarket ______I purchased mooncakes．

A．that              B．which            C．where            D．when

--- Steven, where did you come across the famous novelist from England?

--- Believe it or not, it was in the supermarket ________ we went shopping last Sunday.

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

---Where did you come across our Chinese teacher ?
--- It was in the supermarket ______I purchased mooncakes．