问题
选择题
My father served in the army in _______ when he was in _____.
A.1950’s; twenties
B.the 1950s; his twenties
C.1950’s; the twenties
D.1950s; the twenties
答案
答案:B
考查数词。In the 1950s/1950’s在20世纪50年代;in one’s twenties在某人20多岁时。句意:我父亲参军是在20世纪50年代,那时他20多岁。