从方框中选择合适的选项补全对话。 A. They are small. B. Are they good? C. What are these? D. Yes, they are. E. Are they watermelons? Sarah: Look! 【小题1】 John: Guess. Sarah: 【小题2】 John: No, they aren’t. 【小题3】 They’re sweet. Sarah: Oh! Are these strawberries? John: 【小题4】 Try some, please. Sarah: Thanks. John: 【小题5】 Sarah: Yes. Yum.