Some senior professors have asked to retire so as to _______________ (为……腾出空间) t

游客2023-09-13  19

问题 Some senior professors have asked to retire so as to _______________ (为……腾出空间) the younger and more promising teachers.

选项

答案 make room for

解析 注意room在这里表示空间,不用复数。
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