Another term for introduction is an exposition.
exposition: the part of a play or work of fiction in which the background to the main conflict is introduced.
Put a photo up for more explanation.
The correct use of comparative is found in the following sentence:
<span>D. George has a bigger appetite than Harry.
</span>
Below, I will correct the other sentences:
A. This is the worst picture I've ever seen.
B. Alicia is a better swimmer than Marilynn.
<span>C. Of the three girls, Janet is the best speaker.</span>
Answer:
because they fight the fire
The answer should be (C) Present perfect. This is because 'has' stands for present and 'eaten' is past participle, which makes it present perfect.