英语：of 的用法,（有些句子,出现了is of,or something like that,so confused)

is that of 的用法是什么? 一个英语句子不懂,Part of losing sth you want so much is that it buil 英语that用法问题I consider that both of them have something right that of的用法? that of 的用法 That is something like 一些英语用法的问题the How What is or of 等这些基本英语用法怎么用 英语此句子中of的用法 Is that so hard to say words out of you. Or say you do not w 英语so ...that的用法 初三的一个英语句子,Wells was so convincing that hunreds of people bel The boy is so lovely that all of us like him 改为 he is __ __