It is not difficult to get to school 为什么既有be动词又

It is not difficult to get to school 为什么既有be动词又 it is difficult for me to get to school before eight when it It is difficult to get to school _________（对乡村的孩子们来说）. It is difficult _____ the students _____ get to school in Yu He is very happy to do his homework.这句话既有be动词is,又有助动词do, To be a man is not easy,it's very difficult!living naturally 1,it is easy to get to school,.为什么用to?2,these students go on it's to get to school为什么有两个to School is not the safe place as it used to be．How to keep sc It is not difficult to ____________the speaker at the gradua It is not difficult for me to climb the mountain. although it is not difficult to appreciate the aesthetic qua