--- Who helped you clean the classroom yesterday? --- _______. I cleaned it all by myself.
Mr. Sun has devoted most of his time _______ his teaching work.
-----Did you go to the cinema to see 3D Titanic last night? ----- No, I ________ go to the cinema. The tickets are too expensive.
— Did you enjoy the outdoor training yesterday? — No, not at all! I was dead after so much hard training.
That is an important bridge __________ this old town _______ Nanjing.
—Look at _________ sculpture, Jack! How do you like it? —This is ________ most wonderful one I have ever seen.