10. The man tried to ______ drugs through customs, but he failed. (A) strangle (B) smuggle (C) struggle (D) stumble

14. A(n) ______ phone call helped police find the body of a man missing for months, leading to the arrest of a suspect in a case involving a cash dispute. Though the murder case was solved, the police did not know who tipped them off and helped them find the victim's body. (A) arrogant (B) incidental (C) unprecedented (D) anonymous