用括号内所给单词的适当形式填空。
1. This problem is ______(easy) than that one.
2. Dick has different kinds of ______(animal) on the farm.
3. Tom writes ______ (careful) than his sister .
4. My ruler is too short . Could you lend me a ______ (long) one?
5. Hong Kong has seven ______ (million) people .
6. Jinan is ______ (hot) than our city .
7. Cambridge has about 100 , 000______ (people).
8. It's never very______(hot) in the summer.
9. —Which ball games does Li Lei like best?
—I think he ______(like) football best.
10. Her mother ______(wash) her clothes now.
