问题
选择题
Mistakes don’t just happen, but they occur for a reason. What we ought to do is find out the reason and then making the mistakes _____________.
A．reasonable
B．essential
C．considerate
D．worthwhile
答案
答案：D
题目分析：考查形容词。句意：错误的发生往往是有原因的。我们应该做的是找出出错的原因然后让错误变得有价值。A、合情合理的；B、重要的；C、考虑周到的；D、值得的；有价值的，所以答案选D。