_____has your brother studied in New York? —For two years. A. How old B. How often C. How long
—____ you please tell me your name?—Sure. I’m Linda.
—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 ____.