__________myreturn,Iheardthatmypa

发布时间：2020-07-09 14:13:26

__________ my return, I heard that my parents ___________ at the supermarket．













A.At；went












B.On；have been











C.On；had been











D.During；had been

网友回答

C解析“on +表示动作意义的名词／动名词”形式，意为“一……就……”；主句为过去时，宾语从句动作发生在主句之前，从句应用过去完成时.
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