题目内容

This math problem is too difficult. Can you show me________, George?
A．what to work outB．to work it out
C．how to work it outD．how to work out it
C
考查“疑问词+不定式结构”和动词短语。work out是动词+副词短语，故代词作宾语时，要放在动词和副词之间，这里是疑问词加不定式在句中作宾语，根据题意是指“如何解答出来”，故选C。
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