I couldn't have got to the meeting on time （）an earlier train. ( 章节：1 难度：1)
- A、if I had not caught
- B、unless I had caught
- C、if ! did not catch
- D、unless I caught
正确答案:B
答案解析:有
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I couldn't have got to the meeting on time （）an earlier train. ( 章节：1 难度：1)
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