We can use a verb and an object before a question word with a to-infinitive.

我们可以在带有动词不定式的疑问词前使用一个动词和一个宾语。

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Use a question word+to-infinitive to replace each object clause.

运用疑问词十动词不定式来代替每个宾语从句。

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Use a question word+to-infinitive to replace each object clause.

运用疑问词十动词不定式来代替每个宾语从句。

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