The old man served in the army in , when he was in ．A.1950’s - his twentiesB.195
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The old man served in the army in _________, when he was in _________．
A.1950’s … his twenties
B.1950’s … twenties
C.the 1950’s … his twenties
D.the 1950’s … the twenties
试题答案
C
in the 1950’s或in the 1950s表示“二十世纪五十年代”，而in one’s twenties表示“在某人二十几岁的时候”。