Shanghai is a beautiful city. I _____ there twice .A. went B. have gone C. have been
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.