问题补充:
Life in the city is quite different from in the countyside.
A. it
B. that
C. one
D. those
答案:
A. it
(答案→)B. that
C. one
D. those
解析:此处it 同一指代;that表特指,相当于the +名词;常用语比较句型,有后置定语; one 同类指代;those表示复数。相当于the oneself。句意:城市的生活和乡村的生活很不相同。此处that相当于the life in the countyside。