He visited the bookstore every week. He became such a____ customer that the bookseller gave him some books as presents.

Upon reaching an/a ______  age, children are encouraged, but not forced, to “leave the nest”.  

With his son _____ , the old man felt unhappy.

She is the most _____ one of my friends; you can just depend on her.  

----Matthew said that he was very _______. How about Jack? ----He was satisfied with Matthew’s _______, and wanted the unpleasant business over.