_____has your brother studied in New York? —For two years. A. How old B. How often C. How long
Be quiet, please. We’re going to have an English test. Now I’m going to _______ your papers.
--- “Why don’t you go to the Science Museum?” ---“I hear there’s ______ in it.”
Our teacher is coming. Please stop _____ and keep ________.
There are many CD-ROMs in the bookshop. I don’t know ____ to buy.
---Hello, may I speak to Millie? ---Sorry, she isn’t in. She _________ Nanjing.