I met the teacher in the street yesterday ________ taught me English three years ago.

1. A.
   which
2. B.
   when
3. C.
   where
4. D.
   who

I met the teacher in the street yesterday ________ taught me English three years ago.

A. which B. when

C. where D. who

I met the teacher in the street yesterday ________ taught me English three years ago.

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

I met the teacher in the street yesterday ________ taught me English three years ago.

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

I met the teacher in the street yesterday ________ taught me English three years ago.

A. which　　　　　　　　　　 B. when

C. where　　　　　　　　　　 D. who