Hey there,
Acrid, piercing, acute, and keen are all synonyms of the word pungent. The word pungent id an adjective and based on my research, this word means "having a sharp and strong taste of smell".
~Jurgen
3.)3. Foreshadowing hints to readers that something is of significance and gets them interested.
4. Exposition helps readers understand the background of the story
So I think is being is the answer
<h3>Answer:</h3>
Yesterday, I <em><u>was</u></em><em> </em>shopping.
Hope it helps..
ray4918 here to help
