问题
选择题
_____ book on the desk is _____ useful one. [ ]
A. The; an
B. A; a
C. The; a
D. The; X
答案
答案：C
搜题请搜索小程序“爱下问搜题”
_____ book on the desk is _____ useful one. [ ]
A. The; an
B. A; a
C. The; a
D. The; X
答案：C