The sentence，which puzzled John，was also me and we had to turn to our English teacher for help.
A. beyond
B. over
C. after
D. off
网友回答
(答案→)A. beyond
B. over
C. after
D. off
解析：考查介词，A. beyond（程度）超出B. over（表示动作）越过…；（表示数量）超过…C. after在…之后D. off（表示分离）从…离开，句子意思“这个句子使约翰感到困惑，也超出我的能力范围我们不得不向英语老师求助”