text: Furthermore, students can slow evolution and more work. Program in general are improving the quality of their online courses, and this means that students will have to do more to prove that they've mastered the material. For example, we need to research and find the information in internet. That's make us work for more time and sometime teachers gave them the homework but some students don't do it. Some students destitute responsibilities in their homework. They told teachers with many reason as they need to go work, so they forgot to do homework. But the think is they are got no point and low credit .