Potatochips的精選

問題詳情：Potatochips_________bymistakeaboutahundredyearsagoareverypopularnow.A.invent                B.invented                  C.areinvented            ...

問題詳情：Potatochips       bymistakein1853.A.invent B.invented C.wereinvented D.areinvented【回答】C知識點：動詞語態題型：選擇題...