根据句子意思，用括号中所给汉语提示或英语单词的适当形式填空。

1. The old woman walked _____ the road carefully. (穿过)

2. Kathy always makes _____ mistakes than the other students in her class. (少)

3. It is reported that two men were killed in a car _____ (事故) early this morning.

4. Our notebook computer _____ 5 pounds and costs about $2,000. (重)

5. Yesterday I _____ a new dress at the Macy's for my mum. (买)