No person _______ carry a mobile phone into the examination room during the national college Entrance Examinations.
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, ______?
23. The day before yesterday, I ______ one of my old friends in the street.