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cleaning
Review the text. (复习课文)
Review
What is Mum doing?
She is ________________.
cooking breakfast
Review
What is Helen doing?
She _______________________.
is sweeping the floor
Saturday afternoon
Review
What is Mike doing now?
He is cleaning the table.
Review
What is Helen doing?
She is washing the dishes.
Review
What are they doing?
They are eating fruit and watching TV.
现在进行时
结构：
be动词
动词ing
＋
现在分词
当你想知道别人正在
做什么时，可以问：
回答：
描述当前正在发生的事件或