综合题：阅读对话，按要求做题

　　A: Good afternoon!

　　B:①________②________!

　　A: Can you tell (　　) me your name?

　　B: Yes, ③________name is Wu Dong. Are you Li Lei?

　　A: Yes, I am. ④________⑤________, Wu Dong. Can you spell your name?

　　B: Yes. W-U,D-O-N-G, Wu Dong.

　　A: Is this your book?

　　B: Yes, it's mine.(　　)

　　A: Excuse me, what's this⑥________English?

　　Cau you tell me? (　　)

　　B: Yes, it's a desk.

　　A: Thank⑦________.

　　B: That's all right.(　　)

　　A: Goodbye!

　　B:⑧________!

1．在横线________上填入适当的词完成对话

2．根据上下文猜测 词或句的意思，写在(　　)内

3．对话中A是________，B是________

4．对话中有一处拼写错误，请找出来并改正