1) They ... singing.  a) are b) is c) isn’t d) aren't 2) She ... watching TV.  a) are b) is c) isn’t d) aren't 3) He ... reading books.  a) is b) am c) are d) aren't 4) I ... cooking. a) is b) am c) isn’t d) are 5) Mary ... drawing.  a) is b) are c) am d) isn't 6) They ... jumping.  a) isn’t b) are c) aren’t d) is 7) I ... reading.  a) am   b) is c) are d) am not 8) The boy... riding a bike.  a) is b) am c) are d) isn't 9) Tom ... playing basketball.  a) is b) am c) are d) isn't 10) He ... running.  a) am b) are c) is d)  isn't 11) My friend ... singing. a) are b) is c) isn’t d) am 12) We ... flying. a) are b) is c) am d) aren't 13) You ... swimming.  a) am b) are c) is d)  aren't 14) The dog..... sleeping. a) am b) is c) are d) isn't 15) The cat..... playing. a) am b) is c) are d) isn't

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