Question

I’m amazed to hear from my school teacher again. _______, it

Answer 1

D

D 本题考查短语辨析。句意：再次收到老师的来信我感到很惊讶，信不信由你，我们已经有十年没见面了。believe it or not信不信由你，符合句意。in a word简言之；what’s more更有甚者；that’s to say也就是说。