Here are the suggested words to fill in the blanks:

8. ADVISE
a. Until the situation has settled down, it is **advisable** to travel to that country.
b. The government set up an **advisory** body on the use of drugs in sport.
c. I doubt the **advisability** of drinking alcohol while undergoing that medical treatment.

9. ADMIRE
a. She was a pleasant, attractive girl, always surrounded by **admiration**.
b. I am full of **admiration** for what she has achieved.
c. I approve of him wholeheartedly. He is an **admirable** man.