We are all____ of the poem “Children, quickly, hold mother’s hands” and moved by it.

The thief must have hidden somewhere in the _______ area．

Strangely enough, some books ________ for children have become popular among adults!

It was really _____ of your brother not to play the guitar while you were preparing your lessons.

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