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题目内容
（兰州大学大学英语（3））
17.
(4分)People lived a hard life _________ .
A. in the forty
B. in the forties
C. in forty
D. on forties
(4分)People lived a hard life _________ .
A. in the forty
B. in the forties
C. in forty
D. on forties
参考答案