在改写后的句子空格上填写适当的词，使句子完整并与原句意思相符，每空限填一词。

1. The dictionary cost me fifty yuan. 　　

    I ________ the dictionary ________ fifty yuan. 　　

2. There are more people in Jinan than in Yantai. 　　

    The ________ of Jinan is ________ than that of Yantai. 　

3. She has made up her mind that she won't do that again. 　

　She has ________ ________ to do that again. 　　

4. This is the most interesting book that I have ever read. 　

　 I have ________ read ________ an interesting book before. 　

5. Nobody can answer the question. 　　

    The question ________ ________ answered by anybody. 　

6. He didn't catch the last bus, so he had to go back on foot. 　

　He had to walk back ________ he ________ the last bus. 　

7. The runner fell behind the others though he did his best. 　

　The runner did his best, ________ he still ________ to keep up with the others. 　

8. I didn't go there for the outing with them because I was ill. 　

　My illness ________ me ________ them in the outing.