Take warm clothes________ the weather is cold.
Her daughter was so lovely _____ little girl that everybody in the street would smile at her at _____ first sight.
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.