Helping verbs<span> are </span>verbs<span> that, as their name suggests, help the main </span>verb<span> in a sentence by extending the meaning of the </span>verb<span>. They add detail to how time is conveyed in a sentence. As a result, </span>helping verbs<span> are used to create the most complicated </span>verb<span> tenses in English: the progressive and the perfect aspects.
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I'm pretty sure the correct answer is B.
Answer:
Studies of Disease in the ears and throat, and nose.
Explanation:
That took me a hot minute
