I’ll never forget such an attractive city ___ I spent many happy hours there with my classmates last summer holidays.

I’ll never forget such an attractive city ________ I spent many happy hours there with my classmates last summer holidays．

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

I’ll never forget such an attractive city ___ I spent many happy hours there with my classmates last summer holidays.

A. that              B. where             C. in which            D. because

 I’ll never forget such an attractive city ___ I spent many happy hours there with my classmates last summer holidays.

A. that              B. where             C. in which            D. because

I’ll never forget such an attractive city ___ I spent many happy hours there with my classmates last summer holidays.

A. that　　　　　　 B. where　　　　　　 C. in which　　　　　 D. because