---Thisphysicsproblemistoodifficult.Canyoushowme

問題詳情：

---This physics problem is too difficult. Can you show me_____ , Tom?   --- 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

知識點：非謂語動詞

題型：選擇題