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TOEIC Reading 5 Exercisee 137

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Question: 
O:8:"stdClass":2:{s:8:"question";s:125:"______ is known that more than 50 percent of Americans had an annual household income that was less than 75,000 U.S. dollars.";s:7:"choices";a:4:{i:0;s:2:"It";i:1;s:5:"There";i:2;s:4:"This";i:3;s:4:"That";}}
Answer: 
a
TOEIC Reading 5 Category: 
content access: 
0
answer explanation: 

<div class="" style=""><div class=""><div class=""><p>The correct answer is (A) It.</p><p>The sentence would read: "It is known that more than 50 percent of Americans had an annual household income that was less than 75,000 U.S. dollars."</p><p><span style="font-size: 13.008px;">To determine the correct answer, let's look at each option and see how they function in the sentence:</span><br></p><p>(A) It When we use "It" in such constructions, it's often referred to as a "dummy" or "expletive" subject. This kind of "it" doesn't refer to a specific noun or thing; instead, it allows us to rearrange clauses for more preferred or clearer sentence structure. "It" here introduces the fact or the information that follows in the "that" clause. This construction is common in English: "It is believed that...", "It is understood that...", "It is known that...".</p><p>(B) There "There" is often used as an expletive subject to introduce existence or occurrence, as in "There is a book on the table" or "There are two apples in the basket." The given sentence isn't talking about the existence or occurrence of something, so "There" isn't appropriate in this context.</p><p>(C) This "This" is a demonstrative pronoun. If we use "This" in the sentence, it would sound like: "This is known that more than 50 percent..." which is not a standard English construction. Demonstrative pronouns like "this" or "that" typically point to specific things or ideas previously mentioned or are about to be clarified, but this sentence doesn't have such a context.</p><p>(D) That "That" can function as a relative pronoun or a demonstrative pronoun, but not typically as an introductory pronoun in the way the sentence is structured. Using "That" would make the sentence read: "That is known that more than 50 percent...", which is redundant and not grammatically correct.</p><p>Therefore, based on the explanations above, the most appropriate choice to complete the sentence is (A) It.</p></div></div></div>