Choose the correct answer. Comparative and superlative degrees with endings -er and -est

Comparison: Comparative adjectives and structures

Comparison: Superlative adjectives and structures

A janitor is trying to clean the building, while a dog doesn't let him do it. Such a nasty dog!

U R In Trouble - Dog Prevents Janitor From Cleaning

u-r-in-trouble-dog-prevents-janitor-from-cleaning

Let's do English ESL general grammar practice. Choose the correct answer. Comparative and superlative degrees with endings -er and -est