给下列句子排序,使他们组成一片短文.
()1.Theyboughtabigtoycaratlast.
()2.Sotheywenttothesupermarkettogetheryesterday.
()3.DingdingandDongdongaregoodfriends.
()4.Thentheywenthomebybus.
()5.Theysawlostoftoysthere.
()6.Theywentthereveryearly.
()7.Theywantedtobuysometoys.
麻烦帮我解释出来.在写上答案..
只有这么多分了
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