A new technique out, the yields (收成) increased by 20% .A. having workingB. having been wo
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解决时间 2021-01-04 14:49
- 提问者网友：星軌
- 2021-01-04 01:07
A new technique out, the yields (收成) increased by 20% .
A. having working
B. having been working
C. has worked
D. had been worked
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- 五星知识达人网友：神也偏爱
- 2021-01-04 01:43
A. having working(答案→)B. having been workingC. has workedD. had been worked解析： 根据逗号分开可知空白处不能填入谓语动词，A项从形式上就不对，根据语境应该用现在分词的完成式，此处work out表示“产生结果；有预期的结果，发展为”例如:I wonder how their ideas worked out in practice?我很想知道他们的想法在实践中取得了什么结果。
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- 1楼网友：你可爱的野爹
- 2021-01-04 03:00
谢谢了
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