The two men walked _________ the forest and got to a small house.
— What are the kids doing? — They ______ flowers in the garden.
She ______ to her feet and ran out of the room just now.
Ask John ______ here at 7 pm tomorrow.
The air in Beijing is getting much ______ now than a few years ago.
He has two pets. One is a dog, ______ is a cat.