you should go to bed early ,______ you are tired.because 和 when 选_英语解答

you should go to bed early ,______ you are tired.
because 和 when 选哪个?

人气：362 ℃　时间：2019-09-27 15:11:07

解答

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