问题
选择题
It is well known that knowledge is ____ treasure house, but practice is ____key to it.[ ]
A. a; the
B. the; the
C. a; x
D. x; the
答案
答案：A
搜题请搜索小程序“爱下问搜题”
It is well known that knowledge is ____ treasure house, but practice is ____key to it.[ ]
A. a; the
B. the; the
C. a; x
D. x; the
答案：A
