One of my classmates accidentally he had cheated in the last examination or he wouldn’t

问题补充：

One of my classmates accidentally he had cheated in the last examination, or he wouldn’t have got so high a mark.

A. pointed out

B. let out

C. took out

D. tried out

答案：

A. pointed out

(答案→)B. let out

C. took out

D. tried out

解析：考查词组：A. pointed out指出，B. let out泄漏，C. took out拿出，D. tried out实验，句意：我的一个同学偶尔泄漏他上次考试作弊的，否则他就不会取得高分了。选B。