Mr.Brown |knows about| Chinese history.the underlined words

Mr.Brown |knows about| Chinese history.the underlined words 13. Mr. Brown learned____about Chinese history. A The underlined words "safety" means " " in chinese We know the boy—.He knows — about Chinese history.A .well,we The little boy knows ______knowledge about history? 英语翻译He knows （）（）about Chinese history She knows a lot of about Chinese history 改错 Rewrite the underlined words. 同义句转换:He knows a lot about Chinese History.=He knows _______ He knows a lot about Chinese history 关于a lot 的 提问 ___ ___ __ Mr Green knows ____ Chinese. 英语翻译再一句：the more I learn about Chinese history.