补全对话，首字母已给出。
A: Hi, Jenny! Can you come to my birthday party on Saturday afternoon?
B: I'm s 1 I can't. I h 2 to help my parents.
A: That's too bad. How a 3 you, Linda?
C 4 you come to my party?
C: I'd l 5 to.
A: Susan? Can you come to my party?
D: W 6 is it?A: Saturday afternoon.
D: Oh, no, I c 7 . I have to study f 8 a test.
A: What about you, Ted?
E: I'd love to, but I have to go to the doctor w 9 my grandmother. She is ill.
A: What a pity! Maybe a 10 time.
E: Sure. Thanks for asking.