Desertification,the name for ______ happens when farmable land is turned into desert,is a growing world problem.
I was out of town at the time, so I don’t know exactly how it _______.
So sudden ________ that the enemy had no time to escape.
Occasions are quite rare ____ I have the time to spend a day with my kids.
_____ was most important to her, she told me, was her family.
He didn’t make ______clear when and where the meeting would be held?