从方框中所给的 A 、 B 、 C 、 D 、 E 五个选项中选出可以填入空白处的最佳选项,完成对话。 A: Do you have any interesting books for children? B. Have a look. C. OK.I will take them D: How much are they? E: What can I do for you? A: Good morning. 11 . B: I’m looking for a present for my friend, Dave. A: Oh just a moment. There are some toys over there. 12 . Do you like them? B: Yes. I think they are really beautiful. But I want to buy some books. 13 . A: Please come here. There are some picture books and story books. They are very interesting. B: 14 A: They’re 20 yuan. B: 15 11. 12. 13. 14. 15.