2. 外语
  3. They took turns in the lab, ______ (不厌其烦地反复测试).

They took turns in the lab, ______ (不厌其烦地反复测试).

admin2010-07-14  20
问题 They took turns in the lab, ______ (不厌其烦地反复测试).
选项
答案running tests over and over
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大学英语六级

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