________ his lessons , he failed in the exam. A．Not reviewingB．Having not review_刷题宝

题干

________ his lessons , he failed in the exam.

A．Not reviewing

B．Having not reviewed

C．Not reviewed

D．Not having reviewed

上一题下一题 0.64难度单项选择更新时间:2013-12-30 09:54:15

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