题目内容：

补全对话。根据对话语境，填入所缺的短语或者句子使对话意思完整。(5分)

A: Good morning, Sam! 

B: _________________1.Alice! Where are you going?

A: I want to go to the food store and buy a birthday cake for my brother.

B: ________________2.

A: His birthday is on January 27th.

B: _________________3.

A: He was born in 1997.

B: Um, it's 2012, so he is fifteen years old now. Do you want to have a birthday party for him?

A: ________________4.

B: Can I go to your brother’s birthday party?

A: ________________5.You are also his good friends. Welcome to the Party.