单项选择题
Officially the Frenchman is in charge, but ______ his secretary does all the work.
单项选择题 I'm sure he'll be back ______ the end of this year.
单项选择题 All the people in China, poor or rich, young or old, man or woman, are on the same level ______ each other.
单项选择题 The nurses in that hospital are very good ______ the patients there.
