--May I open the window to let in some fresh air?-- __________
—Did you attend the opening ceremony of The Voice of China last week? —Sorry! We ________ it, but we had a terrible traffic accident on our way.
Two professors at Harvard University published a study of 3,300 new graduates, looking at ______ their names had any bearing on their academic performance.
Overloaded with work, school teachers now get far less sleep than they ______.
—Guess what! We’ll have a chance to visit our sister school in Denmark this summer!—How nice! You ________ a different culture then.
The record about the massacre (大屠杀) is fairly clear and beyond dispute ______ those activities the Japanese soldiers were involved in.