Our parents always tell us to believes in we do if we want to succeed.A. whyB. howC. whatD

问题补充：

Our parents always tell us to believes in we do 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：本题考查宾语从句的用法。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”。