I’m surprised to hear from my school teacher again. , it is ten years since we met last.
A. In a word
B. Believe it or not
C. That’s to say
D. Of course
网友回答
A. In a word
(答案→)B. Believe it or not
C. That’s to say
D. Of course
解析：短语辨析。In a word总之，一句话；Believe it or not信不信由你；That’s to say那就是说；Of course当然。句意：我非常吃惊又收到我的老师的来信。信不信由你，自从我们上次见面已经十年了。所以选B。