國文屋

位置:首頁 > 練習題 > 

 Iwasabouttoleave

練習題1.73W

問題詳情:

 Iwasabouttoleave

 I was about to leave_________ there was a knock on the door.

A. while                B. when                C. as                     D. before

【回答】

  B

知識點:連詞

題型:選擇題

標籤:Iwasabouttoleave