牛津译林版7B Unit6 Outdoor fun Grammar课件(共27张PPT)
1. Mary_________(be) at home yesterday. She_________(be not) at school .
2. The boy_________(be) in the library now. But he
_________(be) in the classroom just now, because he had an Chinese lesson.
3. We_________(be not) in Beijing last week.
We_________(be) at home.
4. Kitty and I_________(be not) happy because of the bad weather this morning.