In Chinese, “tu” means rude and “hao” means rich. So the word “tuhao” has __________ been referred to rich people who throw their weight around in China’s rural areas.
Some researchers are finding that daydreaming may be important to mental health .Daydreaming ,they say, is good means of relaxation.
—I am so angry that I could blow my top! —Oh, dear, _______. What’s wrong?
Some scientists believe that it won’t be long _______ robots are widely used in all walks of life.
Under no circumstances _______ the difficulties when they were on an expedition to the Antarctic.
In the city, I saw so grand a National Day celebration _______ I never dreamed of.