I don’t remember how many years ago ____
题型:选择题
问题:
I don’t remember how many years ago ____ I last showed you around the old campus.
A.it was that
B.was it that
C.it was which
D.was it when
I don’t remember how many years ago ____ I last showed you around the old campus.
A.it was that
B.was it that
C.it was which
D.was it when