They setoff in search of the lost child.这里in做什么成分,
问题描述：
They setoff in search of the lost child.这里in做什么成分,
答
in search of ,介词短语,作目的状语,IN 并不单独作什么成分.
They setoff in search of the lost child.这里in做什么成分,
in search of ,介词短语,作目的状语,IN 并不单独作什么成分.