______a teacher, one must first be a pupil.A、BeingB、Having beenC、To beD、To ha

游客2025-03-14 14

问题 ______a teacher, one must first be a pupil.

选项 A、Being
B、Having been
C、To be
D、To have been

答案 C

解析

转载请注明原文地址:https://www.tihaiku.com/zcyy/3997295.html

相关试题推荐

随机试题

最新回复(0)