<p>Could someone please help to explain these answers to me? Thank you!</p>
<p>SECTION 5</p>
<ol>
<li>It was <a href="A">B</a>** a Chinese American grower who finally succeeded with adapting <a href="B">B</a>** the now familiar <a href="C">B</a>** orange tree to <a href="D">B</a>** the American climate. No error <a href="E">B</a>**</li>
</ol>
<p>ANSWER: <a href="B">B</a>** LEVEL: <a href="3">B</a>**</p>
<ol>
<li>Five years in the writing, <a href="A">B</a>** her new book is both a response <a href="B">B</a>** to her critics' mistrust with <a href="C">B</a>** her earlier findings and an elaboration <a href="D">B</a>** of her original thesis. No error <a href="E">B</a>**</li>
</ol>
<p>ANSWER: <a href="C">B</a>** LEVEL: <a href="5">B</a>**</p>
<ol>
<li>Despite <a href="A">B</a>** its cultural importance, the Daily Gazette lost <a href="B">B</a>** 70 percent of its subscribers since 1920 and, by 1955, was losing <a href="C">B</a>** as much as <a href="D">B</a>** $200,000 a year. No error <a href="E">B</a>**</li>
</ol>
<p>ANSWER: <a href="B">B</a>** LEVEL: <a href="5">B</a>**</p>
<p>SECTION 10</p>
<ol>
<li>Psychologists advise that before making any major changes in your life, a person needs to focus on one's goals.</li>
</ol>
<p><a href="A">B</a>** your life, a person needs to focus on one's goals
<a href="B">B</a>** their life, a person needs to focus on their goals
<a href="C">B</a>** their lives, focus on the goals
<a href="D">B</a>** one's life, you should focus on your goals
<a href="E">B</a>** their lives, people should focus on their goals</p>
<p>ANSWER: <a href="E">B</a>** why not B? LEVEL: <a href="5">B</a>**</p>
<ol>
<li>Some beaches are frequently contaminated by untreated sewage that flows into the ocean, which can last for several days.</li>
</ol>
<p><a href="A">B</a>** ocean, which can last for several days
<a href="B">B</a>** ocean that can last for several days
<a href="C">B</a>** ocean, it can last for several days
<a href="D">B</a>** ocean, while contamination can last several days
<a href="E">B</a>** ocean; the contamination can last for several days</p>
<p>ANSWER: <a href="E">B</a>** LEVEL: <a href="5">B</a>**</p>