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．
