—Mr. Smith must know a lot about Chinese history. —_______. He has studied it for years. A. So he do...
2022-09-29 09:29:21 202次 山西省忻州市2017-2018学年高一上学期摸底考试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Mr. Smith must know a lot about Chinese history.
—_______. He has studied it for years.
A. So he does B. So does he
C. So he must D. So must he
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