问题
选择题
In________, he began to learn Russian, when he was in________. [ ]
A. 1970; the 50's
B. the 1970; his 50s
C. the 1970s; his fifties
D. 1970s; his fifties
答案
答案：C
搜题请搜索小程序“爱下问搜题”
In________, he began to learn Russian, when he was in________. [ ]
A. 1970; the 50's
B. the 1970; his 50s
C. the 1970s; his fifties
D. 1970s; his fifties
答案：C