给问句选择答语。 (     ) 1. Is this your pen? (     ) 2. Is there a pen on the desk? (     ) 3. What's your father's job? (     ) 4. Is your father a worker? (     ) 5. How many boys are there in your class? (     ) 6. Can I help you? (     ) 7. How old are you? (     ) 8. What's for breakfast, Mum? (     ) 9. Can you use a fork? (     ) 10. Shall we go now? A. He's a worker. B. Some grapes, please. C. Some bread and two eggs. D. All right. E. Yes, it is. F. No, he isn't. G. No, there isn't. H. Yes, I can. I. I'm twelve. J. Eighteen.