It was only when I read this story for a second time ________to appreciate its b

题干

It was only when I read this story for a second time ________to appreciate its beauty.

A．then I began	B．that I began
C．did I begin	D．had I begun

上一题下一题 0.4难度单项选择更新时间:2018-09-21 03:48:23

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