根据所给的情景补全对话。
Shall We Go to the Zoo?
Lucy: What are you 1___________ to do 2___________ Sunday?
Alice: Nothing much. Do you have any ideas?
Lucy: Shall we go to the zoo? I hear 3___________ a dolphin show there.
Alice: It 4___________ good. 5___________ shall we meet?
Lucy: 6___________ make it half past nine.
Alice: Good! No problem.
Lucy: 7___________ shall we meet then?
Alice: Let's meet outside the zoo gate.
Lucy: All right. 8___________ you then.
