sincerely looking forward to our corporation!有语法错误么?不好意思写错了，最后一个单词是cooperation

i am looking at five ________( thousand year ) fo history. we are sincerely looking forward to going together and cooperating with you 这句话有错吗不是应该we are sincerely looking forward to go together and cooperate with you吗 sincerely looking forward to our corporation!有语法错误么?不好意思写错了，最后一个单词是cooperation Yours sincerely your sincerely sincerely是什么意思 sincerely是什么意思? sincerely ad. 英语翻译I am on this site sincerely looking for a serious relationship!Hope to meet up with someone special that can share the rest of my life with! I don’t know what they are looking fo句子分解一下用：连接代词/副词+主语+谓语+其他成分. looking 翻译：Sincerely yours, yours sincerely什么意思? Your sincerely什么意思 sincerely怎么翻译 I sincerely hope you sincerely什么意思 Sincerely pray是