Are there many boys in the room? - Yes, there are. No, there aren't.
Is your sister a student? - Yes, she is. No, she isn't.
Do you speak Spain? - Yes, I do. No, I don't.
Are there many boys in the room? - Yes, there are. No, there aren't.
Is your sister a student? - Yes, she is. No, she isn't.
Do you speak Spain? - Yes, I do. No, I don't.