Marygota3inherexam.Shedoesn'tkn

发布时间：2020-07-10 09:36:00

Mary got a 3 in her exam. She doesn't know ________ she did so badly.













A.who












B.what











C.why











D.how

网友回答

C解析(句意：Mary考试得了个3分．她不知道为什么考得这么差．)
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