1) He _____ reading a book. a) is b) are c) isn't d) aren't 2) She ______ flying. a) is b) isn't c) are d) aren't 3) She _____ drawing a picture. a) is b) aren't c) are d) isn't 4) It ______ flying. a) is b) isn't c) are d) aren't 5) They ______ jumping. a) is b) are c) aren't d) isn't 6) We _______ writing a story. a) is b) are c) isn't d) aren't 7) They _____ watching TV. a) is b) isn't c) aren't d) are 8) She _____ climbing. a) is b) are c) aren't d) isn't 9) It _______ writing. a) is b) isn't c) aren't d) are 10) We _____ playing. a) is b) isn't c) are d) aren't 11) He _______ listening. a) is b) are c) aren't d) isn't 12) We ______ standing. a) are b) is c) isn't d) aren't

He/She/It/We/They _____ doing

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