The piano sounds . I want to leave now. Where is the exit(出口)?
--- _______, Sonia. Is this your pencil case?---Yes, thank you.
I am a teacher. She is a teacher, _______.
--- do you spell “clock”?--- C-L-O-C-K, clock.
--- Are those his pencils?--- Yes, _____.
—Is that your book?—No, .