补全对话。 从框内 A～G七个选项中选择五个合适的选项将对话补充完整。 A:Hi,Mark. I want to have a class party. 1. ___________ B:Sure,Andrea. I can help you. So when shall we have the party? A:2. ___________ B:No,today is too early. If we have it today, half the class won't come. A:Okay,let's have it tomorrow. B:Hmm… 3. ___________ Students will leave early to study for the test. Let's have it on   the weekend. A:Okay, let's have it on Saturday afternoon, We can all meet and watch a video. B:No,I don't think we should watch a video. Some students will be bored. Let's play party games. A:4. ___________ Can you organize the party games ? B:Sure, I can do that. And can you make some food for us? A:5. ___________