In this world our parents are the people who love us most So we must value(珍惜)

问题描述:

In this world our parents are the people who love us most So we must value(珍惜)
the days( )we spend with them.
A that B when C on which

A
定语从句,先行词是the days,放到后面定语从句中
we spend (the days) with them
是作宾语的,用which/that指代,没有which那就选that