True, key words are the main words in a sentence.
The answer is B)<span>Walking is an easy and safe exercise for beginners. The paragraph is explaining that walking doesn't need much fancy equipment and that it is something easy for beginners.</span>
Usually repetition is used in oral cases to make emphasis in what the speaker is willing to communicate in his speech and also to make the oral speech more enjoyable with rhythm caused in words.
It refers to saying something twice but in different context.
<em>Example:</em>
<em>"My conscience hath a thousand several </em><em>tongues,</em>
<em>And every </em><em>tongue</em><em> brings in a several </em><em>tale,</em>
<em>And every </em><em>tale</em><em> condemns me for a villain."</em>
<em>--Shakespeare, Richard III</em>
The correct answer is C. Reference Pronoun.
Explanation:
The pronoun is used to replace the noun in a sentence. The pronoun can be placed as a reference when the noun was previously mentioned. In this particular case, the word "Them" is a reference to the words " Supernatural beings". So, in order to avoid the repetition of these words, we use the reference pronoun.
