Therefore, students must share your computer with friends may result in the student did not understand or follow a friend in thinking and may not want to study it.
So the students have to share the computer with my friends. As a result, students may not understand. Or follow a friend in me. And may not want to study it.
So the students have to share a computer with a friend. May affect the students don't understand. Or do my friends in time. And probably did not want to learn.