补全对话（共5小题，每小题1分，共5分）
请根据对话内容，在下面的空白处填入适当的词，使对话完整与正确，并将答案填在答题卡相应的横线上。每空一词。
A: What’s happening?
B: We’re getting       for a birthday party. And I am     a cake.
A: Is it your birthday today?
B: No, it’s not    . Today is Bob’s birthday.
A: I see. Can I      the party?
B: Sure.
A: When will the party begin?
B:     about half past seven.
A: OK. See you then.