—— We should adopt methods to deal with some incidents. You know anything could occur in

问题补充：

—— We should adopt methods to deal with some incidents. You know, anything could occur in that situation.

—— I got it. Thank you for reminding me.

A. flexible

B. typical

C. positive

D. concrete

答案：

(答案→)A. flexible

B. typical

C. positive

D. concrete

解析：考查形容词：A. flexible灵活的B. typical典型的 C. positive 积极的D. concrete具体的，句意：--我们应该采取灵活的方法解决一些问题，你知道在那种情形下，任何事都可能发生。--我明白了。谢谢你的提醒。选A。