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“He could play the guitar very well last year”这句话哪里有语病?

分类: 作业答案 • 2022-01-09 21:47:01

问题描述：

“He could play the guitar very well last year”这句话哪里有语病?
平白无故地被扣了2分!

答

情态动词不随人称数时态变化而变化