Select the most appropriate option that can substitute the underlined words in the given sentence.
Rare species of frogs were very quicker identified by Stella.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. of frogs were very quickly.
"Very quickly" is the correct adverbial form, indicating speed, and "of frogs" correctly indicates the relationship between the species and the frogs.
The other options contain grammatical errors or incorrect word forms.