Whenfirst                        intoEuropeinthe16thcen...

問題詳情：

When first                         into Europe in the 16th century from South America, tomatoes were mistaken for red apples.

A. to introduce                                                   B. being introduced

C. introduced                                                     D. having introduced

【回答】

C

知識點：非謂語動詞

題型：選擇題