Definition: to discover someone who is doing something wrong or something secret Level: B2
他们发现他在看一份机密文件。
They ___caught him reading a confidential file.
他被发现在商店里偷东西。
He was ___caught stealing from the store.
我弟弟昨天被发现逃课了。
My brother was ___caught skipping class yesterday.
