【評論主題】20. The Rosetta Stone is one of the world’s best-known archaeological artifacts, _____ by millions o

【評論內容】分詞構句的用法,主詞都是The Rosetta Stone,被省略主詞後方的動詞要改成Ving或Ved。

→(being) seen by millions of visitors a year.

此句是被動用法,而being可省略~

【評論主題】52. It took Brian more than six months to bicycle ____ the USA all by himself.(A) cross (B) in (C) o

【評論內容】布萊恩獨自一人花了六個多月的時間騎自行車...