He is cleaning the floor.They are playing basketball on theplayground.I like swimming in Summer.Mom can cook meals.Thw boy looks sad.I am a primary school student.She feels thirsty.全部改为一般疑问句,并做肯定和否定回答.

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/27 23:57:48
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