Murphy, Unit 8, 8.3

1. I saw Tom yesterday, but I haven't seen him today.
2. I read a newspaper yesterday, but I haven't read one.
3. Last year the company made a profit, but this year hasn't made a profit.
4. Tracy worked hard at school last term, but she hasn't worked hard last week.
5. It snowed a lot last winter, but it hasn't snowed this winter.
6. Our football team won a lot of games last season, but we haven't won any games this season.