1.It is cold in winter while it is hot in summer in Guangzhou. 2.Millions of middle school students want to study abroad. 3.He has been teaching chemistry in a high schooi for 20 years. 4.Parents usually want to know wether their children are honest. 5.Thank you very much for helping us look after our child. 6.let's have a Spring Festival different with the common. 7.Set out earlier,and you will not be late to school. 8.In Hainan,you can enjoy sunshine on the sand beach and fresh seafood in restaurants. 9.The reason why birds in the cities are singing louder and louder is noise. 10.The government warn some factories not to discharge polluted water,or they will be closed. 11.Please arrange the following words according to their importance.
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