If your students do an exercise and choose the option "send my answers to the teacher", you can check their answers in your mail box.
If the students log in with their username and password and do the exercises in their workbooks, you can check their work in your notifications.
You can also go to my students and click on the students' names to check all their work, or click "group results" next to the group to see all their work at a glance.
Check your students' work