Having never met with such a _____ problem, he felt _____ and didn’t know how to solve it.

Mrs O’Neill asked ＿＿questions and she didn’t scold us either.

The writing was not _____, so we could not read it at all.

Having worked nonstop for three hours in the sun, John returned home, ______.

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