---I fell off the bike. I think my left leg may be broken.---_____.

Is ________ man’s ability to reason that sets him apart from other animals?      

---Why don't you go to the lecture-room and listen to the talk? 　---I hear there isn't ________in it. 

Jenny, the new comer, has earned not only the trust of her classmates but also ______ of her teachers.

In his lecture, the professor referred to the belief, in contrast to all other countries, _____ the elderly are wise, _____ is particularly dominant(占优势的) in the Chinese culture．