按要求改写句子。
1. They arrive at school at eight o’clock every morning. (对划线部分提问)
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2. My father’s birthday is on the 21st of June. (对划线部分提问)
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3. Leave rubbish here, Ann. (改成否定句)
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4. My grandmother watches TV at 7:00 every evening. (对划线部分提问)
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5. Tommy is making a birthday invitation now. (对划线部分提问)
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