Answer:
When writing a restrictive clause, introduce it with the word "that" and no comma. However, if the subject is or was a human being, use "who" to introduce the clause. When talking about people in defining (restrictive) relative clauses, who is preferred to that.
Answer:
individual employers are often concerned about employees
<span>The excerpt suggests that Johnson’s work is significant because it reflects an exhaustive study of its words.
In the excerpt above, Johnson says that he used many methods in order to compile this dictionary - he read a lot of books, used his experience, and used many analogies for readers to connect words and their meanings on their own. A is incorrect because that's not the point of a dictionary; B is incorrect because he doesn't even mention other dictionaries; D is incorrect because a dictionary cannot only list obscure words.
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