Select the most appropriate adverb to fill in the blank.
______, I'm going to walk my dog.

Correct option is A

The correct option to fill in the blank is (a) Now.
Explanation:
“Now” is an adverb of time, used to indicate the present moment. The sentence indicates an action being done currently — hence "Now" fits best.
Example: Now, I will go and meet him.
Incorrect options:
· (b) Already – implies something has been done earlier (पहले से ही)
· (c) Annually – once a year (प्रतिवर्ष)
· (d) Rarely – not often (कभी-कभी)
Information Booster: Adverbs of time answer “when?” and help set context for the verb.