The boy walked (more carefully, carefullier, most carefully) down the ...

★ Comparative Adverbs

The boy walked (more carefully, carefullier, most carefully) down the steps than the girl.

A. more carefully

B. carefullier

C. most carefully

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Hudson walked through the haunted house (more bravely, most bravely, bravelier) than his brother.

A. more bravely

B. most bravely

C. bravelier