单项选择题

The greatest invention of the 20^th century is （） computer.

A. /
B. the
C. a
D. an

<上一题目录下一题>

热门试题

单项选择题

Frankly speaking, I' d rather you （） anything about it for the time being.

A. didn' t do
B. haven' t done
C. don' t do
D. have done

单项选择题

（） hearing the result, Mary felt relieved

A. As
B. At
C. For
D. On

相关试题