它是什么词性的?be due to 简短地说明一下！

它是什么词性的?be due to 简短地说明一下！ be due to和due to有什么区别求教 be due to和due to的区别? due to和be due to的区别 be due to 的to 是介词吗 那么due to 呢,二者意思有什么区别吗 due to 的语法是什么样的?due to 后面应该接什么词性的词?和because的区别在哪里? be due to 还是due to ist的用法,它是什么词性 be close to的词性 be able to的词性 Due attention Should be given to 什么意思 这句话的due是什么意思Due Attention Should Be Given To Spelling the project is due to be finished by the end of this week 里的be due to 单独的DUE,DUE TO,DUE TO BE,BE DUE 全句是the project is due to be finished by the end of this week ,we should be in less of a rush. afford to be 后面加什么词性 be used to后加什么词性? due to前面为什么有时加be动词,有时不加,到底是什么词性望详解如It is usually due to genetics or stress.Others faced losing their homes due to overwhelming debt. be limited to中to是什么词性除了后加名词，to后面还可以加什么词性的词？ 不定式符号to是什么词性?介词?做题书上一直强调to 作为不定式符号和介词的区别.那to 作为不定式符号的时候,它是什么词性?我看to只有介词和副词两个词性啊