Sometimes, the entrance tickets are free of charge from the university.
A. available
B. valuable
C. imaginable
D. accessible
网友回答
(答案→)A. available
B. valuable
C. imaginable
D. accessible
解析:形容词辨析。A存在的,可得到的;B贵重的;C可以想象的;D可以进入的;句意:有时候,门票可以从大学中免费的得到。故A正确。