A mother and her son were washing dishes in the kitchen while (当---时) the father and the daughter were watching TV in the sitting room. Suddenly, there was a crash (哗啦声) of breaking dishes. Then the girl looked at her father and said, “It was Mum."
"How do you know?" asked her father.
"She didn't say anything," her daughter answered.
1. How many people are there in the family?
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2. What were the mother and her son doing while the father and the daughter were watching TV?
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3. Who broke (打破) the dishes?_____________________________________
4. Is the girl clever? _____________________________________
5. Where was the son? _____________________________________