Friendships between girls are usually ________ shared feelings and support, but friendships between boys are based on shared activities or interests.
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.
One third of the Ukrainian population live in the eastern region near Russia and speak Russian, most of them ______ closer to Russia.