________ theme of the Shanghai Expo is “Better city, better life”. It will send _____ message to people around the world to care about the places where they live.
The results of the experiment proved to be very good, _________ was more than we expected.
Overloaded with work, many doctors now get far less sleep than they _________.
In the traditional Chinese calendar, each year _________a name of 12 kinds of animal.
The teacher had intended not to tell the students but his remark _________the answer to the question.
_________ in heavy school work, most senior three students have no free time to do what they want.