摘要： He was unable to make such progress, . A. hard as he tried B. as hard he tried C. hard he has tried D. tried hard as he
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He was unable to make such progress, ____.
A. hard as he tried B. as hard he tried
C. hard he has tried D. tried hard as he
查看习题详情和答案>>He was unable to make such progress, __________________.
A．as he tried hard B．as hard he tried C．so hard did he try D．hard as he tried
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