Correct Answer - Option 1 : at, throughout
The correct answer is 'at, throughout.'
- The given sentence is talking something about the ringing bells.
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Let us explore the given options:
- The preposition 'at' is used for expressing the time when an event takes place.
- The preposition 'throughout' means from beginning to the end of an event or period of time.
- The preposition 'in' is used for expressing the length of time before a future event is expected to happen.
- The preposition 'from' is used for indicating the point in time at which a particular process, event, or activity starts.
- The preposition 'on' is used for indicating the day or part of a day during which an event takes place.
- The preposition 'off' means starting a journey or race; leaving.
- The preposition 'for' is used for saying how long something lasts or continues.
Hence, the correct answer is option 1.
Complete Sentence: The bells ring at regular intervals throughout the day.