the weather in Chengdu is not so cold as __ in Beijing .A.the B.it C./ D.this E.that我知道 应该 选B 但是 为什么不选 this 和 that 呢?希望解答 谢谢啊

the weather in shanghai? I and Cheng often read English books in the morning. on the weather in shanghai In winter,the weather g_____cold in the bad weather还是in bad weather the weather is shine in the sunlight hows the weather over in the far The weather English people are always interested in weather问句 The weather in shanghai英语作文 HOW is the weather in Beijing? What's the weather like in December what is the weather like in December? What's the weather like in spring? weather is in how the 连词成句快 英语作文：The weather in Shanghai 英语写话：The weather in Shanghai. which the weather like in this what's the weather like in winter?