As a result of destroying the forest, a large ________ of desert ________ covered the land.
________ by his look, he doesn't think much of our plan.
After graduation, she wanted to ________ her own business.
Tom took the police to the spot ________ the accident happened.
National Day ________ people singing and dancing happily in the street.
As there was no one she could________, she felt very helpless.