Remember to put the books before leaving the room.
This means that for the first time doctors may be able to tell if an infected(被感染的)person who feels well is ________ becoming ill, so that they can try to do something to prevent this.
The moment the people of London heard that their city had won the bid for the 30th Olympic Games, they ________ cheers.
Learn some useful skills, or, I’m afraid, you would ______ nothing in society.
Only_______ stand-up comedians have become famous as television and film actors later on in life._______ person is Billy Crystal.
The newcomer went to the library the other day and searched for ________ he could find about Mark Twain.