2. 职称英语
  3. In the______of their investigation they made a discovery that helped to solve a

In the______of their investigation they made a discovery that helped to solve a

游客2025-04-04  50
问题 In the______of their investigation they made a discovery that helped to solve a six-year-old mystery.
选项 A、light
B、course
C、face
D、event
答案 B
解析 course n.过程，进程。
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