---Where is my notebook? Have you seen_____________?---Oh, sorry, I have taken __________ by mistake.
—Who ________ a pet in your class?—Many students ________.
—Are those your CDs? —No, ________ aren’t.
--- Where _________ Lily’s shoes? --- _________ shoes are under the bed.
Which of the underlined part has a different sound划线发音不同?