who told you to clean the window?father（）.he said they are too dirty Atold Bdid CtellingD had told为什么不能选c与d觉得d的过去过去完成时不行吗?

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• who told you to clean the window?father（）.he said they are too dirty Atold Bdid CtellingD had told为什么不能选c与d觉得d的过去过去完成时不行吗?
• mum like to use newspaper to clean the window.保持句意不变只能改变to clean，其他不能改变。
• I usually help my mother clean the room.能改成I usually help my mother with cleaning the room.