---Excuseme.I’mlookingforBetheBestofYourself.       ---...

問題詳情：

---Excuse me. I’m looking for Be the Best of Yourself.

        ---Sorry. The book you ask for ______ out.

        A. is selling        B. is sold             C. was selling     D. will be sold

【回答】

B    

知識點：動詞語態

題型：選擇題