【题目】He worked in the field yesterday. (对画线部分提问)
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【答案】What did he do yesterday?
【解析】
划线部分是做的事情,故提问时应该用what,句子是一般过去式,且动词是实义动词,故前面需要用助动词did,故答案为What did he do yesterday?

【题目】He worked in the field yesterday. (对画线部分提问)
____________________________________________
【答案】What did he do yesterday?
【解析】
划线部分是做的事情,故提问时应该用what,句子是一般过去式,且动词是实义动词,故前面需要用助动词did,故答案为What did he do yesterday?