从方框中选择适当的句子补全对话. dongdong:hello,xiaobin! xiaobin:hi,dongdong!wow,so many people are there.1 dongdong:yes,there are always so many people in beijing on vacation.the weather here is so hot and humd.i can't stand it! xiaobin:me,too.but kunming's weather was so good. dongdong:did you go to kunming?2 xiaobin:yes,i did.i came back yesterday. dongdong:how was your vacation? xiaobin:3 here is summer.4 it was cool there.that made me feel very happy. dongdong:5 xiaobin:that's right.you can also buy some flowers.kunming is a city of flowers! A vwhen did you come back? B but the weather in kunming was just like in soring. C kunming is really a good place for a vacation. D pretty good