-Have you finished your first paper?
--. Just half of it. How about you?
-What is the IOC? -It's ________the International Olympic Committee.
According to the timetable,the airplane will cover the ________from Beijing to Shanghai in an hour and a half.
Mr. Smith,__________today,will visit Japan for his new song next week.
—Do you mind ________alone at home? -No,but I want a good book________.
Science and technology is changing fast nowadays. I bought this MP3 player at the beginning of this year but now it's out of________.