Not until ________to do my homework ________ how much time I had wasted playing

题干

Not until ________to do my homework ________ how much time I had wasted playing computer games.

A．I began; I realized	B．I began; did I realize
C．did I begin; I realized	D．did I begin; did I realize

上一题下一题 0.64难度单项选择更新时间:2014-08-15 07:34:48

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