—Mum,Tomisalwaysworkinglateintonight.Idon'tknowwhatheis... 國語站 題庫 4.58K 大中小設定文字大小 問題詳情:—Mum, Tom is always working late into night. I don't know what he is busy doing.:狀_元_源Z_—Oh ,he _____for his new project.A. has prepared B. had prepared C. has been preparing D. was preparing【回答】C知識點:現在完成進行時及其被動式題型:選擇題 TAG標籤:#