完成对话
Complete the conversation. Use can, can't, have to, let's, must or why don't
Tony: 1 we go to the game on Saturday?
Daisy: I'm sorry. I 2 . I'm going to meet my sister.
Tony: 3 you bring your sister?
Daisy: Thanks, but we can't. We 4 buy a gift for my Mom's birthday.
Tony: And after that?
Daisy: Well, I 5 make cookies for the party.
Tony: 6 we go out in the evening?
Daisy: I'd love to. But I 7 pick up my cousins at the station.
Tony: How about Sunday?
Daisy: Sorry. I 8 look after my little brother.