问题
选择题
This kind of machines were made ______.[ ]
A: in the 1950s
B: in the 1950
C: in 1950s
D: in 1950's
答案
答案：A
搜题请搜索小程序“爱下问搜题”
This kind of machines were made ______.[ ]
A: in the 1950s
B: in the 1950
C: in 1950s
D: in 1950's
答案：A
