用括号内所给词的适当形式填空。
【小题1】If someone doesn’t show good manners to others, he or she is         （polite）.
【小题2】            (lucky), the sick boy had a successful operation at last.
【小题3】It is silly of you                (not forgive) others for their faults.
【小题4】 Listen! The music                 (sound) wonderful! I’ve never heard it before.
【小题5】 Yellow is the colour of               (wise). Some people like to use it when they study for exams.
【小题6】The old man               (live) here since 1992.
【小题7】You’d better make the               (decide) as soon as possible.
【小题8】While I                ( travel) in Australia last summer, I saw lots of sheep.
【小题9】 Edison was one of the great                 (invent) in the world.
【小题10】I am sure that the film is worth               (see)