用方框内所给单词的适当形式填空。

1.Our school football team has many good _____.2. Do you know the man _____ Arthur?3. I have a kind and _____  grandmother.4. —Did you see anything _____  in the sky?    —Yes, It seems something is flying. But it isn't a plane or a bird.5.You'd better use a handkerchief when you're _____.