补全对话 根据对话内容，在每个 标有题号的空白处填入一个适当的句子，使对话完整，合乎情景。 A: Hi , Tony . I didn't see you last Sunday . Did you go on a school trip ? B: 11. ______________________________. I stayed at home . A: Oh,really ?  12.___________________________? B: Because I had a lot of thing to do . A:13. ______________________________ ? B: I cleaned my room and did my homework . Then I watched TV . A: Not much fun , I think . B :Well , it wasn't very bad . I played basketball that afternoon . Was the school  trip interesting ? A:14.______________________________ . We went to the park and the zoo . We flew kites in the park .We had a very good time . B:15.______________________________? A: We came back at about 5:30 in the afternoon .