Hewasreadinghisb

发布时间：2020-07-12 02:54:35

He was reading his book, pletely _______ to the world.

A.lost

B.losing

C.to lose

D.to have lost

网友回答

A解析A。(be) lost to sth 为习语，意为“不再受某事物的影响”、“将某事物置之度外”。

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