Question

______ for the free tickets, I would not have gone to the films so often.

A．If it is not	B．Were it not
C．Had it not been	D．If they were not

Answer 1

C

试题分析：句意：要不是免费的票，我不会这么经常去看电影。从主句中would not have gone可以看出是与过去相反，故从句应该使用had done. C答案省略了if，提前had，相当于if it had not been. 故选择C。