Thetestwasverydifficult,butI...passit.a)wasabletob)canc)could

Question

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

Answer 1

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.