Read the following passage and fill in each blank with words chosen from options given?

Comprehension:

I was friends with the artist Bhupen Khakar. He was one of the (1) ______ human beings I have ever met. I learnt (2) ______ from him. When we were in Baroda we (3) ______ meals together all the time. I _____ (4) ______ remember how his caretaker (5) ______ family to him and he would often (6) ______ his children to school and taught _______(7) ______ mathematics. His studio was in the (8) ______ of the house and (9) ______ for anyone to come in (10) ______ at his work.

Select the most appropriate option to fill in blank No.9