The central government is calling on the whole nation to make efforts to build harmonious society and new socialist countryside.
Coming into the room, I found them _______ at the table, ________ chess.
______ an important role in a new movie, Andy has got a chance to become famous.
---I’m sorry to have _________ much of your spare time. ---That’s OK, and I am glad to help you.
Not until Mr. Smith came to China ___ what kind of a country she is.
Mr. Smith approved _______ the company.