题目内容：

补全对话

   请阅读下面对话，根据对话内容补上所缺句子，使对话通顺、合理、意思完整。并将答案填写在答题卷上。

Barry: Hello! Tom. You look unhappy. 1.                    

Tom: I overslept. And by the time I got outside, the school bus had already left.

Barry: 2.                    

Tom: I got to school by bike.

Barry: 3.                    

Tom: No, I didn′t. When I came into the classroom, my English teacher had already started teaching.

Barry: 4.                    

Tom: No, she wasn′t angry. She only asked me to get up earlier the next time.

Barry: Then you could sit down and listen to the class.

Tom: I couldn′t do that.

Barry: 5.                  

Tom: When I sat down, I realized I had left my English book at home.

Barry: Ha, ha … you are too careless.