1.
1 tension
2. numerous
3.rest
4. a university
5. to fight
6. leasure
7. knitting
2.
1. shouldn't
2. shouldn't
3. shouldn't
4. should
5. should
3.
1. Unless you study, you will fail your exam.
2. I’ll make dinner unless someone else wants to
3. Unless you stop smoking, you will feel bad.
4. We will eat at that restaurant unless they are closed on a Monday.