A. The book was very expensive, so I didn’t buy it.
Sentence one is the topic sentence because it tells you what the paragraph is about.
The correct answer should be <span>Smiley will bet on anything, on any side.
Smiley doesn't even care whether he supports something or not, as long as he can bet on it. He even bets on which frog can jump the highest against people who don't have frogs, so he catches new frogs for them just so they could bet on it. That's why he gets tricked in the end.</span>
You would need to spend the most time on the introduction because its where your readers know what you are talking about. If your introduction isn't clear, the rest of the writing wouldn't make sense to the reader.
