<h2>Someone help me with these:</h2>
<p>Despite research (on the diagnosis of) heart disease and</p>
<p>the use of (increasingly) sophisticated technology</p>
<p>(in its treatment), the condition of coronary arteries (is)</p>
<p>still difficult to assess precisely. (No error)</p>
<p>Answer is E
I thought “in its treatment” should be “for its treatment”.</p>
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<p>It was obvious that all candidates had planned (carefully) for the television debate; (for each) (answer to) the opening question showed evidence (of having been) rehearsed.</p>
<p>I chose “for each” because I thought “for each candidate’s” would make the sentence clearer. Answer is E.</p>
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<p>(For) any mayor of a vast metropolitan area, an (understanding of) current issues in all districts (is) not only (desirous) but also vital</p>
<p>I chose “For” because I thought “To” would make better sense. How is D incorrect?</p>
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<p>In that attempt, experiences expand, new ideas blossom, and viewpoints change. And yet, even if one does not always accomplish what he or she sets out to do, one gains new knowledge from the attempt.</p>
<p>This is part of the improving paragraphs section. I chose “Nevertheless” as the best replacement of the underlined phrase, but the answer was “In other words”.</p>
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<p>Almost all drugs go through strict testing before approval and failing at least one.</p>
<p>I chose “approval; failure occurring”. The answer is “approval, failing”.</p>