【题目】—_________ ( )
—She cooked on a fire.
A.What did she do yesterday? B.What is she doing? C.Did she cook on a fire?
【答案】A
【解析】
句意“—她昨天做什么了？—她在火上做饭。”根据答语，可知句子是一般过去时，排除B；C选项要用yes或no回答，排除C。故选A。
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