At the medical conference,______(他对于自己研究的领域感到很自信) and was able to perform well i

游客2023-07-17  33

问题 At the medical conference,______(他对于自己研究的领域感到很自信) and was able to perform well in his presentation.

选项

答案 he felt quite confident in his area of research

解析 对……有信心”、“在……方面有信心”用be confident in...。
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