Hewasabouttogotobed 國語站 題庫 3.24W 大中小設置文字大小 問題詳情： He was about to go to bed __________ the door bell rang. A. as B. when C. while D. and【回答】B知識點：連詞題型：選擇題 TAG標籤：Hewasabouttogotobed #
