有几道英语不会.1 make trouble和cause trouble有什么区别吗?2 get into troubl

有几道英语不会.
1 make trouble和cause trouble有什么区别吗?
2 get into trouble with the police 中trouble前面可否加the police后可否去掉the
3 study with a group 和study in a group是否有区别?
4 have a part-time job 是找工作还是找到一份工作还是有一份工作
5 problem child可否用problem kid来代替
6 It is very important for parents to be there for their children.中的for可以改成with吗?句意会发生改变吗啊?
呃.问题有些多.但是希望大家能耐心地帮助我