1.Are boys at school? yes, they are. no, they aren't.No, they aren't at school.2. is this girl at college? yes, she is. No, she isn't. She isn't at college.3. Is the manager at office? Yes, he is. No, he isn't. He isn't at office.4. are these lawyers at work? yes, they are. No, they aren't. they aren't at work.5. are children at the lesson? yes, they are. No, they aren't. they aren't at the lesson6.are these journalists in the theatre? yes, they are. no, they aren't. they aren't at the theatre. 7. are those doctors at the cinema? yes, they are. no, they aren't. they aren't at the cinema. 8.is the boy in the street? yes, he is. no, he isn't. he isn't in the street. 9. is the girl in the country? yes, she is. no, she isn't. she isn't in the country. 10 is the man in the room? yes, he is. no, he isn't. he isn't in the room. 11 is the baby in bed? yes, he is. no, he isn't. he isn't in bed