2. 外语
  3. It was ______ the chief engineer came ______ we began the experiment.

It was ______ the chief engineer came ______ we began the experiment.

admin2011-01-05  31
问题 It was ______ the chief engineer came ______ we began the experiment.
选项 A、not until; that
B、not until; then
C、until; that
D、until; when
答案A
解析
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本试题收录于： C类竞赛（非英语专业本科）题库大学生英语竞赛（NECCS）分类
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C类竞赛（非英语专业本科）

大学生英语竞赛（NECCS）

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