题目内容
I talked for a long time , and in the end I ____ make her believe me .
| A.could | B.can | C.must | D.was able to |
D。
表示具有某种能力并且使用了这种能力用 was / were able to。
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题目内容
| A.could | B.can | C.must | D.was able to |