The test was very difficult,but I ...pass it.a) was able to b) can c) could
问题描述:
The test was very difficult,but I ...pass it.a) was able to b) can c) could
答
a) was able to
理由:如果用can 或 could 是说有信心通过考试,是还没有考试过的状态.而 be able to 则可以是已经过去的状态.