补全对话。根据下面对话的情景,在空白处填入适当的语句,使对话内容完整。 A:Hello,Lin Tao. B:Hello,everyone. You are all here. 1. A:We are planning for a good-bye party , for the 3-year middle school life will be over. B:That sounds good. Can I join the party? A:2. Everyone in our class is welcome. B:Great! Is there anything I can do to help? A:Let me see. Oh,3. B:Yes,1 do. I have a digital camera. A:We want to take some photos. They may remind us of the time we had in middle    school in the future. 4. B:Not at all. I'm sure to bring it to the party. Anything else? A:Well,would you like to get some fruit and snacks for the party with me? B:5. .Let's go.