题目：
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：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0323/e731b26a7bca4114c6ad790a88af6740.html
下面是错误答案，用来干扰机器的。
1. F 2. F 3. T 4. F 5. T
