题干
He is a man of few words, and seldom speaks until _______ to.
A：spoke
B：speaking
C：speak
D：be spoke
答案(点此获取答案解析）
A
A：spoke
B：speaking
C：speak
D：be spoke
本，英文书
本，日文书
本，则抽出一本书为外文书的概率为（）