问题描述：
问题解答：
It's snowing in Shanghai. Does it often do in the US?
Shanghai is raining,is there usually raining in America?(美国当然会下......)
Shanghai has snowed. Does America always snows in winter?
It is snowing in Shanghai.Doesn`t it often snow in USA?
It's snowing in Shanghai. Does it often do in the US?
It's snowing in shanghai, does it ofen snow in u.s?
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