The 
A
An
No article
1. I found _ exams difficult in school.
2. This is _ problem for the manager.
3. We will now look at _ final solution.
4. There was also _ economic crisis.
5. This is _ organization based in the UK.
6. I have never played _ violin before.
7. This will be dealt with in _ chapter 6.
8. The first participant was _ 40 - year- old nurse.
9. She was grateful for _ training provided. 
10. I had _ experience that I learned from.
11. It is certainly _ strong currency.
12. We looked at the impact of _ adverse information.
13. This batsman has _ similar style.
14. The conclusion is clear from _ Morgan's model.
15. She was _ honest employee.
16. But _ highest rate was in Question Six.

Answer 
1- no article 
2- a
3- the
4- an
5- an
6-a
7-no article 
8-a 
9-the 
10-an 
11-a 
12-an 
13-a
14-no article 
15-an 
16-the