On and a are the correct answers
The correct answer is Very young owls grow slowly.
Here, the adverb is <em>very </em>and the adjective is <em>young, </em>so the adverb is used to modify the adjective, or to show a particular degree of the adjective (how young? very young.).
In the rest of the options, there is only one adverb <em>slowly, </em>and it's not modifying an adjective, but rather the verb.
An example of a level one question is :Who was the race between?
(B) The walk around Saxe-Coburg Square
is the key event in story which leads to Holmes' solution of the case.
Answer:
where are the choices i think you forgot to put them
Explanation: