There are plenty of activities that the students without jobs can do:
and much, MUCH MORE
Plenty
Lots of them
There are a lot of things university students can do. You can do volunteer work. Start your own business. Write a book or song. Go to the beach!
no
no
No
No, it's not really needed for university students to do so
No, it's not mandatory for university students to have a summer job.
Not wrong, but most University students need to earn money over the summer.
Yes
No
no