I could have finished my self-reflection last weekend, but the math classes and

题干

I could have finished my self-reflection last weekend, but the math classes and exercises _____ all my spare time.

A．take up	B．took up
C．had taken up	D．had been taking up

上一题下一题 0.64难度单项选择更新时间:2016-06-28 05:11:24

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