Complete the sentences with the given words in their proper forms （用括号中所给单词的适当形式完成下列句子。每空格限填一词）
【小题1】He was so excited that he __________ spoke a word.（hard）
【小题2】I am ____________ about my father because he is in hospital. （worry）
【小题3】Who was the _________of the taxi? （drive）
【小题4】We will do our ________to make the city more beautiful. （good）
【小题5】The man has saved two ___________.（life）
【小题6】Though he is over 70, he keeps _________（work）
【小题7】It gives me much _________ to be with you.（please）
【小题8】At the supermarket, people can buy all kinds of __________food. （freeze）