<span>A.
Half the students were failing the course near the end of the school year.
The sentence is written in passive voice because the course is the subject of the sentence and was being failed is the main verb phrase. The course can't fail. The students are the ones who are failing so to change it you must make the students the subject of the sentence. A is the only option that makes the students the subject.
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Answer:
Empirical evidence is evidence based on scientific research
Explanation:
Let's pretend you're a doctor and you're interested in lowering blood pressure as a way to reduce the chance that people have heart attacks, and ultimately live better lives. You hear that a drug named atenolol slows down the heart and reduces blood pressure
Boiling point. Distillation is the process of removing one substance from another by boiling it away. This is possible because of differences in boiling points of two substances.
Answer:
We were not having lunch at one o'clock today.
Explanation:
Using past continuous, you would arrange the sentence with the subject and the past tense of the verb using we and were.