How can you possibly miss the news? It __________ on TV all day long.
The officer gave orders that anyone _____ a gun should be reported to the police station.
----- You seem in low spirits. Anything wrong? ----- I ______ in the important exam. I let my parents down.
A wallet has been found and can be ______ the manager’s office.
----- How did you know the surprising news? ----- I happened _______ the event then.
If the wound ______ become infected, do not hesitate to call me.