That's incorrect usage.
You'd say "I haven't seen him"
When you begin researching
Answer: because it allows a student to explore different points of view and come up with an angle
Explanation:
Cross referencing is when several books, articles or journals are checked and referenced so that one can have different opinions and explanations with regards to a particular topic.
Therefore, based on the explanation, cross-referencing a topic is important for research purposes so that the researcher can have several opinions and then choose the best one or most ideal.
Answer:
They create a peaceful tone.~
Explanation:
I took the test
The correct answer is - Coincidentally, my oldest sibling, Nate, just turned nineteen.
It is quite easy to spot a subject - just ask the question who. Who just turned nineteen? - My oldest sibling.
The first option is incorrect because the phrase is used as an indirect object. C is incorrect because my brother Nate is the subject, and my oldest sibling is the appositive. D is incorrect because Nate is the subject, and my oldest sibling is predicate nominative.