---Do you know ______ this dictionary belongs to? -----Let me see. Oh, it’s ________. A. who ; mine B, who; me C, whose; mine D. whose; me
—Who’s the girl in red? —Sorry, I don’t know ____. —____ is a new student.
—____ is Maria? —She is twelve.
Sally often helps me study English. And I help her study Chinese. We help _____.
—____, Tom. Is this your book? —No, it isn’t. I think it’s ____.
—What class are you in? —I’m in ____, ____.