状语从句,that he did not call me right back within a couple of hours 一整句都修士前面的 when I had not called him (动词(短语))
when I had not called him that he did not call me right back within a couple of hours就是定语从句,因为他修饰前面的time(名词)
状语从句,that he did not call me right back within a couple of hours 一整句都修士前面的 when I had not called him (动词(短语))
when I had not called him that he did not call me right back within a couple of hours就是定语从句,因为他修饰前面的time(名词)