初中英语形容词词义辨析完成句子

Uncle John seems to be more　　today．

Yeah． He's got his favorite stamp． （cheer）

You'd better not stay out　　with your friends． You need to come back by 9p．m．

She has few friends，so she often feels 　  　（alone/lonely）．

It's 　　（polite/impolite） to offer seats to the old on the bus．