—The charity walk begins _______ 9.00 a.m. Don’t be late. —No problem.
There were __________ animals in the forest many years ago.
Water is very important all living things. We must ______ every drop of water.
— What are you doing?— I’m life in the countryside.
I feel tired, but I don’t want to stop _______.
—Is Kangkang good at English?—Sure. He _______ a lot of time on it every day.