There was a very good slope in a park not far from the Smith's home, _____ children often used for their sledges.
A.which
B.that
C.where
D.in which
正确答案是A
There was a very good slope in a park not far from the Smith's home, _____ children often used for their sledges.
A.which
B.that
C.where
D.in which
正确答案是A