A:What___ the boys ___(do) at this time last Sunday?B:They ____(play)football in the park.要理由快
问题描述：
A:What___ the boys ___(do) at this time last Sunday?B:They ____(play)football in the park.要理由
快
答
was doing
were playing
从状语 at this time last Sunday可见， 指的是上个礼拜六的这个时候正在做什么， 所以用【过去进行时】
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答
did ；do
played
last Sunday用一般过去时态
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