The charity sale our school organizes every year has taught us much that we would never have _____ learned in class.

The president of the university has been ___ for two years.

—I’ll talk to my son Bill about it as soon as possible． He usually listens．—We need _______ listening． We need action．

I’d like to make use of ______ more time to consider my decision.

Bows and arrows have _______ been out of use.