1. 用所给单词的适当形式填空。

1. （1） There are six(hundred) people in his factory.
3. （2） It takes me about 2 hours(walk) to the station.
5. （3） It's twenty(minute) walk from here.
7. （4） I spent half an hour(work) out the math problem.
9. （5） Things are(difference) in other parts of China.