题目内容
He had a wonderful childhood, _____ with his mother to all corners of the world.( )
A. travel B. to travel C. traveled D. traveling
D
主语(he)与动词travel之间存在主动关系,故用traveling作原因状语。

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题目内容
He had a wonderful childhood, _____ with his mother to all corners of the world.( )
A. travel B. to travel C. traveled D. traveling
D
主语(he)与动词travel之间存在主动关系,故用traveling作原因状语。