(1995上海) ____ for the free tickets,I would not have gone to see the films so often.
A.If it is not B.Were it not C.Had it not been D.If they were not
(1995上海) ____ for the free tickets,I would not have gone to see the films so often.
A.If it is not B.Were it not C.Had it not been D.If they were not
C