---Who'sthat?---________.A.Idon'tknowB.IamnotknowC.Ican'tknowD

发布时间:2020-08-06 19:46:22

---Who's that?
---________.A.I don't knowB.I am not knowC.I can't knowD.I not know

网友回答

A解析know是一个实义动词,所以否定时要加助动词,因此先排除D,而不能用be动词构成否定,再排除B,can't意思是“不能”,根据上下文不合适.
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