—What do you think of the 2013 Spring Festival Party?—Well, great! But I don't think much of ________ held last year.
---Are you satisfied with what the captain explained? ---Not at all. It couldn’t have been________.
In the USA, Columbus Day is_______ the _____ of Christopher Columbus in the New World.
According to the police, _______ some facts undiscovered.
Recent pressure at work may________ his behavior. A.accounts for B. pay for C. stand for D leave for
The twin towers fell down. It looked_____ a huge piece of chocolate had been melted down(溶化).