2. 外语
  3. Since last year, Professor Wang ______(研究取得了重大进展).

Since last year, Professor Wang ______(研究取得了重大进展).

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问题 Since last year, Professor Wang ______(研究取得了重大进展).
选项
答案have made significant advance in his research
解析 ①现在完成时；②词组：make advance in表示“在…取得进展”。
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大学英语四级

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