作业帮按要求完成句子：Lucy usually cleans the cage every three days.(对划线部分提问)every three days划线
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按要求完成句子：Lucy usually cleans the cage every three days.(对划线部分提问)every three days划线
按要求完成句子：Lucy usually cleans the cage every three days.(对划线部分提问)
every three days划线
按要求完成句子：Lucy usually cleans the cage every three days.(对划线部分提问)every three days划线
How often does Lucy clean the cage?
How often does Lucy usually clean the cage
How often does Lucy clean the cage ?
这是对频率提问的句子。应该用How often。
How often does Lucy clean the cage usually??