问题
选择题
—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
答案
答案：B
题目分析：句意：打扰一下。我在找《做最好的自己》。 抱歉。你要的这本书卖完了。主语book 和卖完是被动关系。用一般现在时的被动语态，主语是the book故选B。