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如：Mike is sleeping.
be 现在分词
再如：
What are you doing?
I am sleeping.
What is he/she doing?
He/She is swimming.
What is ...doing?
She is cleaning the table.
She is making the bed.
He is running.
He is playing with the dog.
What are ... doing?
They are taking the train.
They are eating.
They are sweeping the floor.
They are writing.
What is Cinderella doing?
She is dancing.
What is Jobs doing?
He is eating an apple.
What is Obama doing?
He is washing dishes.
What am I doing?
You are cooking.
clean the car
sleep
sweep the floor
cook breakfast
根据课文内容连线