题目内容：

用适当的短语或句子补全对话.(10分)

A: _1._____________________________,is this your notebook?

B: 2.______________________________.Mine is here.

A:Do you know whose it  is?

B:Oh, 3._________________ Sonia’s.

A; She isn’t here.

B;Please4.______________________________   2679381.

A:OK. 5.______________________________

B: You are welcome.