Having a good command of the language of the country where you are going to study is necessary, because language skills affect you perform academically.
Jack stood _______ except that his lips moved slowly.
When the police broke into the room, they found the man _______ in bed, _______.
Known _______ one of the four greatest ancient civilizations in the world, China is attractive _______ many foreigners.
On _______ whole, science and technology have been benefiting human beings all through _______ history.
— Oh, I have an examination to take next week! — _______