将对应句子的编号填写到横线上，使对话完整。(5％)

A．Yes，we did.     B．I went to Beijing and saw Tian'anmen Square． C．It was great． D．You can play with snow there． E．Was the air fresh in the countryside?

A：How was your summer holiday this year?

B：I went to the countryside．

A：

B：Yes! There are many green trees and clean rivers．

A：Did you have a good time there?

B：How about you?

A：

B：We are going to Beijing this winter, too．

A：It would be very cold．

B：Good idea．