根据对话内容，在每小题的空白处境入适当的句子，使对话意思完整。
Dick:Excuse me,Lucy. Have you got a dictionary?
Lucy:Sorry,I haven, You may ask Meimei. 1__________________..
Dick:Excuse me, Meimei. Have you got a dictionary?
Meimei:Yes. 2__________________.
Dick:Thank you. I'11 give it back 800n. By the way, tomorrow is my birthday.
3__________________?
Meimei: Yes, I'd love to.4__________________?
Dick: About seven o' clock.
Meimei: I'll try to be there on time. but 5__________________.
Dick: It doesn't matter. Work must come first.
