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

游客2023-07-21 22

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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