问题详情：
Do you know Anna’s telephone number?
-- ____. As a matter of fact, I don’t know any Anna, either.
A. I think so B. I’m afraid not
C. I hope so D. I’d rather not
【回答】
B
解析：在情境交际中考查替代省略. 为了使交际更加简洁明了，省使用替代省略。I’m afraid not 相当于I’m afraid that I don’t know Ann’s telephone number. 比如：It’s going to rain tomorrow. ---- I think so.=I think it’s going to rain tomorrow.
知识点：交际用语
题型：选择题
