The teacher was angry ______ the students.
This question tests the correct usage of prepositions, specifically with the adjective 'angry'. We need to find the preposition that correctly links 'angry' to the people causing the anger ('the students').
In English grammar, the adjective 'angry' is typically followed by specific prepositions depending on what follows:
The sentence "The teacher was angry ______ the students" refers to the teacher's anger being directed towards the students (people).
Let's examine the given options to see which fits the rule:
| Option | Sentence Construction | Grammatical Correctness |
| 1. with | The teacher was angry with the students. | Correct. 'With' is used when anger is directed at a person. |
| 2. to | The teacher was angry to the students. | Incorrect. 'Angry to' usually precedes a verb phrase indicating the cause, like 'angry to see'. It doesn't link to the person causing the anger. |
| 3. by | The teacher was angry by the students. | Incorrect. 'Angry by' is not standard usage in this context. 'By' might be used in passive voice construction, but not here. |
| 4. on | The teacher was angry on the students. | Incorrect. 'Angry on' is not a standard prepositional phrase for expressing anger towards someone. |
The analysis clearly shows that 'with' is the correct preposition to use when expressing anger directed towards people.
Therefore, the most appropriate option to fill in the blank is 'with', making the sentence grammatically correct and idiomatic.
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