After Queen Elizabeth officially opened the 2012 Summer Olympics, London became the first city ________ three Olympic Games in history.
28. The teacher said “______ you work hard and have a good way, all of you will succeed.”
27. ______ he did was quite right.
26. His younger sister is often made to cry by him, but this time she made him ______.
25. Most of us think ______ important to know how to get well along with others.
24. More and more foreigners are working in China, ______?