問題詳情

*幾個星期過去了,學生們愈來愈熟悉彼此。Several weeks ___89____ on, and the students became more and more familiarwith one another.

參考答案

答案:B
難度:適中0.622378
統計:A(27),B(89),C(4),D(15),E(0)

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