21.   While having lunch with a friend recently, we got into a _____ that is pretty frequent in China about morning greeting.
A. conversation          B. conservation           C. reservation            D. criterion

22.   Returning from Italy, he told us a lot of _______ about the Leaning Tower of Pisa, especially some tales about it and the present government’s efforts to save it from collapse.

A. interests                  B. anecdotes               C. rumors                 D. assessments

23.   With the housing price going up and up, even far beyond the public’s affordability, more and more people ______ the government take more strict measures over the second mortgage. 

A. advocate                 B. claim                      C. promote                D. allocate