—This physics problem is too difficult. Can you show me _____, Wang Li?

              —Sure.

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

 

【答案】

C

【解析】疑問詞 + 動詞不定式”是英語中常用的一種結構。在句中可以作主語、動詞或介詞的賓語以及表語。

此外，當賓語從句由連接代詞who, which, what或連接副詞when, where, how等引導時，有時可以與“疑問詞 + 動詞不定式”結構互相轉(zhuǎn)換 。 但是，主句中的主語與從句中的主語須一致。

 

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