Turn into (a) the question form, (b) the negative form
1. She opens the window.
2. He does his work well.
3. They walk to school every day.
4. Children work in the playground.
5. We have some fruit.
6. They like to play baseball.
7. You have to study tonight.
8. Her father went to Tokyo last year.
9. Mary washed the dishes last night.
1-. He came here by bus.
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