这个作业怎么做？根据内容用适当的句子

根据内容用适当的句子补全对话。 A: Hi, Li Hua. Our summer holidays are coming. What are you going to do? B: 1 _______________________________. A: Visit Shanghai? For the World Expo in Shanghai. B: Quite right. A: You are so lucky! 2 _______________________________? B: By plane, I know you often go there. Could you tell me something about it? A: Of course. B: What✀s the weather like there? A: It is very hot. You✀d better take a pair of sunglasses and some cool clothes. B: Thank you for your advice. It✀s said the World Expo is quite wonderful. Would you like to go with me? A: I✀d love to, But I am afraid I can✀t. My grandfather is ill. I have to look after him. B: 3_______________________________. I hope he will be better soon. A: I hope so. By the way, when are you leaving for Shanghai? B: Next week. A: 4_______________________________! Bye-bye B: Bye.