The computer was invented__ century.
问题描述:
The computer was invented__ century.
A.in the twenty
B.in the twentieth
C.in twentieth
D.in twenty
答
B.in the twentieth
二十世纪
世纪可以用定冠词加序数词加century表示:
the twentieth(20th)century
也可以用定冠词加百位进数加’s表示:
the 1900’s
(用百位数整数表示的世纪比这一百位阿拉伯数字本身多一个世纪.)