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swimming
singing
having
doing
sleeping
coming
putting
Present Continuous
________ you doing your homework?
Yes, I am. / No, I'm not.
Yes, we are. / No, we aren't.
________ Kangkang reading in the library, too?
Yes, he is. / No, he isn't.
________ Wang Wei and Lin Tao dancing, too? No, ________ ________.
Are
Is
Are
they aren’t
Present Continuous
What are you doing?
________ looking for my wallet.
What is he/she doing now?
________ ________ reading.
What are Jane and Maria doing?
________ ________ talking.
I'm
He’s / She’s
They are
Excuse me, ______ ______ ______ some English workbooks?
Of course.