补全对话 根据对话内容,从方框内7个选项中选择5个恰当的句子完成对话。 —Hi, Li Pin. Long time no see! —Hi, He Li. Yes, I was on vacation last month. —Really? 1. —I went to Wuhan Happy Valley Theme Park with my parents. — 2. —Yes. It’s so exciting! —Great! By the way, are you free tonight? —Yes, I am. 3. —Yeah! Do you want to go to a movie? —Sure! 4. —Action 用半径为2cm的半圆围成一个圆锥的侧面,这个圆锥的底面半径为( )A.1cmB.2cmC.πcmD.2πcm