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Grandfather is old.He can only________ slowly.A.walk B.walks C.walking D.walked

分类: 作业答案 • 2022-01-09 18:03:39

问题描述：

Grandfather is old.He can only________ slowly.A.walk B.walks C.walking D.walked

答

答案：A
情态动词can后面接动词原形.