you should go to bed early ,______ you are tired.because 和 when 选哪个?
问题描述:
you should go to bed early ,______ you are tired.
because 和 when 选哪个?
答
选because 如果选when的话,前面不能加逗号的,这是原因状语从句和时间状语从句不同点之一