问题
选择题
When they retire, many people over 60 prefer the houses in the country to spend their remaining years to __________ in a large city.
A．it
B．that
C．those
D．which
答案
答案：C
这题考查代词的用法，those指代前面的houses，句意是：退休时，60岁以上的老人更喜欢乡村的房子度过晚年而不愿要大城市的房子。选C。