－Thisphysicsproblemistoodifficult.Canyoushowme

问题详情：

－This physics problem is too difficult . Can you show me ______ , Wang Lin ?

    －Sure.

    A. what to work it out    B. what to work out it

    C. how to work it out    D. how to work out it

【回答】

C

知识点：非谓语动词

题型：选择题