I’d appreciate , to be frank, if you would like to teach me how to use blog and twitter on the Internet.
A. that
B. it
C. this
D. what
网友回答
A. that
(答案→)B. it
C. this
D. what
解析：考查it做形式宾语：句意：说实话，如果你能教我怎么在网上用博客和推特我会很感激的。Appreciate后面不能直接接if从句，应该先接it，再接从句，类似的动词还有hate，like dislike等。选B。