作业帮改错 There are a lot of sign in the street
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/13 01:33:43
改错 There are a lot of sign in the street
改错 There are a lot of sign in the street
改错 There are a lot of sign in the street
sign -----> signs
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来源：学生作业帮助网 编辑：作业帮 时间：2024/05/13 01:33:43
改错 There are a lot of sign in the street
改错 There are a lot of sign in the street
改错 There are a lot of sign in the street
sign -----> signs