catch sb.cheating in

catch sb.cheating in catch sb. in the (very) act of doing 是什么意思? catch sb.nap catch sb by the How to prevent students’ cheating in examinations? My Opinion on Cheating in Examinations" 英语作文《Students' cheating in Exams》 求英语作文一篇.cheating in college 4个英语短语的辨析.catch up with sb.keep up with sb.get in touch with 请问catch的用法catch sb sth那么catch的用法是 catch sth to sb 还是catch st take/catch/hit sb.+on/in/by+身体部位这一用法中on/in/by 如何选择 he was caught cheating in the exam.这里为什么用cheating,做什么成分?