[英语]找出下列句子的错误并改在横线上

问题描述:

[英语]找出下列句子的错误并改在横线上
i really do not know what to do it ___________
he has come here for two days _____________
we are happy to hearing from you ______________
you should taking come medicine ________________
she often helps hers mother with the chores___________

1. 去掉It
2.come -- been
3.hearing--hear
4.taking--take
5.hers--her