the weather in beijing is colder than that in hainan为什么用that不用it为什么我其他时候做的每一次作业这类句子都用的it什么时候用it?

the weather in shanghai is nicer__________in beiji.ng the weather in shanghai? 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?