听对话,回答问题。 1. What's the trouble with David's uncle? A. He has got a bad cough. B. He has got a headache. C. He has heart disease. 2. How do David's parents feel? A. They feel worried. B. They feel surprised. C. They feel tired. 3. What did David have to do at home? A. He had to buy fast food for his younger brother. B. He had to do some washing C. He had to look after his younger brother