根据首字母及汉语提示，完成下列单词的拼写，使句意明确，语言通顺。
【小题1】Lisa s____________(发送) emails to her American pen pal every week.
【小题2】Tom is a bad worker, but John is even w____________(更差) than him.
【小题3】Kate is an o____________(外向的) girl, and everyone likes her.
【小题4】I won’t go to the party u____________(除非) I am invited.
【小题5】There are some d____________(差异) between my lifestyle and hers.