Our teachers always tell us to believes inwe do and who we are if we want to succeed.A. wh

问题补充：

Our teachers always tell us to believes inwe do and who we are if we want to succeed.

A. why

B. how

C. what

D. which

答案：

A. why

B. how

(答案→)C. what

D. which

解析：本题考查名词性从句。in介词之后所接的宾语从句中缺少及物动词do的宾语，指事物，故填what。why“为什么”；how“怎么样”；which“哪一个”。