完成下列对话 1. A: How are you? B: _________. 2. A: How many pears do you have? B: _________ 3. A: Good evening, Dad. Nice to see you! B: _________, too. 4. A: Good morning, boys and girls! B: ________________. 5. A: _____________? B: Fine, and you? 6. A: ________________? B: I have ten rulers.