If he had been more careful with the details, his plan would not have ________ ( 章节：3 难度：3)
- A、fallen off
- B、fallen through
- C、fallen away
- D、fallen over
正确答案:B
答案解析:有
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If he had been more careful with the details, his plan would not have ________ ( 章节：3 难度：3)
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