As spring is coming,the weather is warm.原因状语从句.
Young as he is,he knows a lot.让步状语从句
You must do as you teacher told you.方式状语从句
As he is walking ,he is singing时间状语从句.
He is such a good boy as all the teachers like.定语从句
as 不引导地点状语从句,所以只有这些.
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