1) He ________ throwing the ball. a) is b) am c) are 2) I _________ playing the guitar. a) is b) am c) are 3) She _________________ playing football. a) am b) are c) is 4) We ________ hitting the ball. a) are b) am c) is 5) They ________ playing tennis. a) is b) are c) am 6) You ___________ playing volleyball. a) are b) is c) am 7) It ___________ running. a) am b) are c) is

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