从B栏中选出A 栏的答语。 A (     ) 1. May I go shopping? (     ) 2. If you work hard in school, you may go with us. (     ) 3. When do you leave for America? (     ) 4. How far is it from China to Canada? (     ) 5. What are you doing? (     ) 6. How many pens do you have? (     ) 7. Do you want this book? (     ) 8. How much for this jacket? (     ) 9. Have a good trip! (     ) 10. Can I help you? B A. About eight thousand five hundred kilometers. B. I am reading a book. C. One hundred yuan. D. Yes, you may. E. So I'll work hard. F. Yes, I do. G. On the 'afternoon on May the first. H. Two. I. No, thanks. J. Thank you.