给出下列各句的一般疑问句，并作简短的肯定、否定回答。
1. She would like an olive pizza.
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2. Miss Green can answer the question.
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3. There was a lot of water in the lake.
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4. Tommy is playing chess with his friend.
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5. We do our homework every day.
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6. His brother wrote a letter last night.
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