Treatment of groups of workers
After Gregor has died and freed his family of his horrendous presence, they can now take a rest for a while and get back to their normal lives. Gregor had been a burden for them in every way, as he stopped providing for them because of his new condition. Because of him, they couldn't leave the apartment and find a smaller one. Because of him, they had to rent a part of the apartment. His unwilling transformation had changed their lives for the worse. Now that he's gone, they have a hope for a better life. They even start pondering on their daughter's potential marriage.
A. A has both genders of the students and since we don’t know the amount of students of either gender, this serves as an indication that not all the students are of one gender or another.
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Verb voice shows whether the subject performs or receives the action of the verb.
For example of passive voice: ⇒ The soccer ball was kicked into the goal.
The answer into this question is D.
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-Charlie