<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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How To Do About Face? (Military)
1. Stand at attention
2. Out the right leg behind the left leg
3. Lift the front toes of the left feet
4. Lift the heel of the right feet
5. And turn until your completely faced the other way
There, you did About Face
The definition of a dialect is a variety of a language which has different pronunciation, grammar or vocabulary than the standard language of the culture. An example of dialect is Cantonese to the Chinese language.