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.