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 .