It looks like you have a multiple-choice exercise related to grammar or sentence structure. Here are the corrected versions of each sentence with possible answers:

5. Elizabeth I has reigned as Queen of England from 1558 to 1603.
- (Correction: **was Queen** instead of **has reigned**, since it’s a specific past period.)

6. Caroline refused taking the job given to her because the salary was not good.
- (Correction: **to take** instead of **taking**.)

7. I finished college last year, and I am working here for only eight months now.
- (This is correct; no changes needed.)

8. If you think carefully before making your decision, you will avoid to get into trouble later.
- (Correction: **avoid getting** instead of **avoid to get**.)

9. Each of the members of the group were made to write a report every week.
- (Correction: **was made** instead of **were made** since “each” is singular.)

10. Last week Mark told me that he got very bored with his present job and is looking for a new one.
- (This is correct; no changes needed.)

Feel free to ask if you need further assistance!