i am sure he will come是个什么从句?

问题描述:

i am sure he will come是个什么从句?
i am truly filled with happiness that i am a devoted friend.是不是一个同位语从句?

i am sure he will come是 宾语从句可还原成i am sure that he will comethat he will come作宾语i am truly filled with happiness that i am a devoted friend是原因状语从句.that i am a devoted friend是原因...