6. complete the sentences with a, an or – (no article). she' doctor. he's . they're engineers. i'm teacher. we're . you're musician. she isn't . i'm not student. you aren't . he isn't . they aren't nurses. you aren't artist.

She'sa doctor. He's an artist. They're engineers. I'm a teacher. We're ___---doctors. You're __a musician. She isn't anartist. I'm not a student. You aren't ateacher. He isn't anengineer. They aren't nurses. You aren't an artist.