He went back home quickly because he is in need of rest.

问题描述:

He went back home quickly because he is in need of rest.
我觉得改成He went back home quickly because he was in need of rest.是不是好点?

赞成.这里是because引导的原因状语从句.中句He went back home quickly 是过去时,所以从句he was in need of rest也是过去时