I admire my math teacher very much. There were very few occasions ( ) she stopped working because of illness.
A.正确答案Awhen
B.where
C.which
D.that
I admire my math teacher very much. There were very few occasions ( ) she stopped working because of illness.
I admire my math teacher very much. There were very few occasions ( ) she stopped working because of illness.
A.正确答案Awhen
B.where
C.which
D.that
