题目内容
Li Ling was a diligent boy . He ____ go to school though it was raining hard .
| A.was able to | B.could | C.couldn''t | D.wasn''t able to |
A。
表示过去“能够”,肯定句只用 was able to , 不用 could。而 couldn''t 与 wasn''t able to 在语言逻辑上都不妥。
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