He cut the cake .
We all believe that ______ 2010 Shanghai World Expo will be ______ success.
— What are you going to do this weekend? — ______, I’m going to visit the Nature Museum.
_______ on the American Civil War, the book attracted a large number of readers when it was published.
I haven’t seen Li Lei these days. He was said _____ to the hospital to receive treatment.
—Do you mind my closing the door? It’s a little bit cold in here.—___________.