Please don’t stand up in class _____ you ______.

The parents have devoted themselves to bringing up their children and now it is time for the children, ______, to show their devotion to their parents.[ ]

Why does the lake smell terrible—Because large quantities of water _____.

Man must produce more grain to support the _____ growing population on earth

There isn’t an airport near where I live. The _______ one is about 90 miles away.