The test was very difficult,but I ...pass it.a) was able to b) can c) could

The test was very difficult,but I ...pass it.a) was able to b) can c) could
英语人气:985 ℃时间:2019-10-23 05:22:02
优质解答
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.
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