send them to madazines中to是介词还是动词不定式

问题描述:

send them to madazines中to是介词还是动词不定式
在I'm going to write articles and send them to magazines and mewspapers这个句子中,它是介词还是动词不定式?

I'm going to write articles and send them to magazines and mewspapers.中第二个to是介词.
翻译:我将写作文然后送到报纸和杂志(编辑部)去.