it was almost 10 years__his wife and cildren joined him in the city

题目

it was almost 10 years__his wife and cildren joined him in the city
that before when after 讲明原因 语法角度

答案

选before引导时间状语从句,如果选that,比此应改为it was almost 10 years later that his……其实就是强调句的结构,按照句意空格前后是有先后顺序的,而不是在那个时间,不能选when,after不符合句意