______ in his studies, he didn't know that all the others had left.A．BuriedB．Bur_刷题宝

题干

______ in his studies, he didn't know that all the others had left.

A．Buried

B．Burying

C．Having buried

D．Bury

上一题下一题 0.94难度单项选择更新时间:2013-06-19 03:27:44

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