Practice comparing adverbs with this educational worksheet featuring sentence completion tasks.

Task: Complete the sentences with the correct form of the adjective in brackets.

#### Explanation:
The task requires you to use the appropriate form of the adjective (superlative, comparative, or base form) based on the context of each sentence. Here's a breakdown of how to approach each sentence:

1. Superlative: Used when comparing three or more things.
2. Comparative: Used when comparing two things.
3. Base form: Used when no comparison is involved.

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Solution:

1. My teacher said that my essay was _______ (good) in the class.
- Context: Comparing the essay with others in the class (superlative).
- Answer: the best

2. The man was _______ (polite) than he had been the last time we met.
- Context: Comparing the man's politeness now with his politeness in the past (comparative).
- Answer: more polite

3. My Dad said it was the _______ (boring) game he had ever watched.
- Context: Comparing the game with all other games he has watched (superlative).
- Answer: most boring

4. Rozina has lost a lot of weight recently but she is still _______ (plump) girl in the class.
- Context: Comparing Rozina with others in the class (superlative).
- Answer: the plumpest

5. My Mathematics results were even _______ (bad) than I had expected.
- Context: Comparing the results with expectations (comparative).
- Answer: worse

6. That was one of the _______ (un-pleasant) experiences of my life.
- Context: Comparing the experience with other experiences (superlative).
- Answer: most unpleasant

7. I didn't have enough money to buy the pen. It cost _______ (much) than I expected.
- Context: Comparing the cost of the pen with expectations (comparative).
- Answer: more

8. Learning Physics is much _______ (simple) than learning Chemistry.
- Context: Comparing Physics and Chemistry (comparative).
- Answer: simpler

9. It was the _______ (bad) badminton game I have ever seen.
- Context: Comparing the game with all other games seen (superlative).
- Answer: worst

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Final Answers:

1. the best
2. more polite
3. most boring
4. the plumpest
5. worse
6. most unpleasant
7. more
8. simpler
9. worst

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Boxed Final Answer:

\[
\boxed{
\text{1. the best, 2. more polite, 3. most boring, 4. the plumpest, 5. worse, 6. most unpleasant, 7. more, 8. simpler, 9. worst}
}
\]