Hey there!
<h2>Yesterday we <em>saw</em> a <em>great</em> <em>blue</em> heron <em>alone</em> by the river. Which word in the sentence does the underlined word?</h2>
Well, "" would most likely the word "". It has the purpose for the which has specified for the word
To sum it all up, it's
Good luck on your assignment and enjoy your day!
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Based on the single paragraph I would say that A is the answer
Answer: nothing to add or to remove
Explanation: because it’s right
D.The Lazy Cats Lay Like Discarded Laundry On The Thick Rug
For subject is Mrs.Marcus And Simple Subject is Valentines Day