8 (★★)读表,回答问题。

1. When is Li Lei having English class?
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2. What is Lucy doing at 4:00 p.m.?
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3. Is Jack taking pictures at 10:00 a.m.?
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4. Is Mike doing an experiment?
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5. Are Li Lei and Mike playing chess at 8:00 p.m.?
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1. At 8:30 a.m.
2. She is playing chess.
3. No, he isn't.
4. No, he isn't.
5. No, they aren't.