He is good at swimming.
Is there_______ about animals on the Internet?
John is ______ honest boy. He has______ useful book.
— Who is that girl sitting there ? — Well, her name is Jenny.
— I heard Max sing just now. What beautiful voice!— That’s true. He also has good sense of humour.
---- Dad, I’m fixing my bike, can you give me a hand?---- Just . Be sure of your own ability.