英语句型转换（对括号内提问）Lucy usually cleans the cage (every two weeks)._____英语解答

英语句型转换（对括号内提问）
Lucy usually cleans the cage (every two weeks).
_____ _____ does Lucy usually clean the cage?

人气：432 ℃　时间：2020-03-21 14:31:03

解答

How often为什么every two weeks每两周，表示频率