Teachers in the program must have an (advance)______proficiency level in English

游客2023-10-06  28

问题 Teachers in the program must have an (advance)______proficiency level in English.

选项

答案 advanced

解析 分析句子,空格前有不定冠词an,后面有名词proficiency,由此可知要填入advance的形容词形式advanced“高级的”作定语。proficiency意为“熟练,精通”。
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