all their lives they had lived in a town.这个句子后半部分they had lived in a town已经是完整的一句话了,
问题描述：
all their lives they had lived in a town.这个句子后半部分they had lived in a town已经是完整的一句话了,
答
“他们的一生都生活中一个小镇上.”
all their lives 是 "for all their lives" 的缩写,作状语,意思是“他们的一生的时间”