Myfatherjoinedthearmyin

问题详情：

My father joined the army in _________ when he was in ________ .

A. 1960s, twenties                                B. the 1960s, his twentieth

C. 1960, his twenties                              D. 1960s, the twenties

【回答】

C

知识点：数词

题型：选择题