Potatochips

問題詳情：

Potato chips _________ by mistake about a hundred years ago are very popular now.

A. invent                 B. invented                   C. are invented              D. were invented

【回答】

B   句意：大約一百年前偶然被髮明的炸薯片現在非常受歡迎。故此處應用過去分詞作後置定語，修飾potato chips，表示被動。

知識點：相似 相近詞比較

題型：選擇題