The computer was invented＿＿ century.

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/17 03:37:26

The computer was invented＿＿ century.
A.in the twenty
B.in the twentieth
C.in twentieth
D.in twenty

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.）

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