ShehasneverbeentotheGreatWallbefore.Todaysheseesit　　　th...

問題詳情：

She has never been to the Great Wall before. Today she sees it　　　the first time.

A. at               B. for              C. in               D. by

【回答】

B

知識點：介詞和介詞短語

題型：選擇題