听对话, 选择正确答案。 1. How many kinds of ingredients do they need?. A. Three. B. Four. C. Five 2. What is Tom making? A. Three. B. Four. C. Five. 3. What is Jim doing?. A. Helping cook. B. Watching TV. C. Doing his homework. 4. How many teaspoons of salt do they need? A. Two. B. Three. C. Four 5. How often does the woman eat vegetables? A. Sometimes. B. Never. C. Every day.