-Thank you very much ________ helping me to repair my old puter．-That’s all right．Thanks ________ your letter, I can e in time and repair it for you．A.for; forB.to; toC.to; forD.for; to
网友回答
D解析thank sb．for doing sth．表示“感谢某人干了某事”，for表示原因；thanks to…则表示“多亏了……；由于……”。