_______isafactthatEnglishisbeingacceptedasaninternationallanguage.
ThefollowingwordsofthebasicwordstockdenotethemostcommonthingsandphenomenaoftheworldaroundusEXCEPT______.
Lyingundertheskull,thehumanbraincontainsanaverageoftenbillionnervecellscalled______.
英语翻译：poisonouschemicals
WhenyouwereinLondon,didyouvisit________________Tower,too?
