Read the conversation and choose the answers（选择合适的句子将对话补充完整, 填写字母编号在横线上）。
A：
B：I’m going to Beijing on my holiday.
A：
B: I’m going to visit my grandparents and take pictures.
A：Are you going to visit the Great Wall?
B：
A：
B：I’m going by train with my parents.
A：Is it very cold in Beijing now?
B：
. It’s summer. It’s very hot.
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