1) Dog isn't sleeping. a) b) 2) They aren't running. a) b) 3) They aren't eating pizza. a) b) 4) She isn't playing tennis a) b) 5) He is listening to music. a) b) 6) She isn't swimming. a) b) 7) They aren't playing football. a) b) 8) He is ..... a) riding a bike. b) singing. 9) She isn't watching TV. a) b) 10) They are reading a book. a) b) 11) He isn't playing the guitar. a) b)

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