请问有why to do sth吗? Do you know ()to take care of your ears? A.why B.how

问题描述:

请问有why to do sth吗? Do you know ()to take care of your ears? A.why B.how
下文交代的是为什么这样做
是不是是why

同学,很高兴回答你的问题
如果上下文是表示原因的,可以用why,即
Do you know why to take care of your ears?
你知道为什么要照看你的耳朵吗?
其实它相当于一个宾语从句,即
Do you know why you should take care of your ears?
有不明白的请继续追问,