问题
选择题
_____ computer is the most important invention of _____ twentieth century. [ ]
A. A; the
B. The; the
C. The; 不填
D. A; 不填
答案
答案：B
搜题请搜索小程序“爱下问搜题”
_____ computer is the most important invention of _____ twentieth century. [ ]
A. A; the
B. The; the
C. The; 不填
D. A; 不填
答案：B
