位置7的问题 Elizabeth did not clean her room, therefore, she cannot have dessert. SentenceFragmentRun-on

Question

BlackTom AI · Accepted Answer

The task here is to classify the given sentence according to sentence structure.
Option 1: 'Sentence' — Calling it simply a sentence would imply it is correctly punctuated and complete. However, because the first independent clause is not properly connected to the second (it uses a comma before 'therefore'), this is not correctly punctuated, so labeling it as just a 'Sentence' is incorrect.
Option 2: 'Fragment' — A sentence fragment is a group of words that does not express a complete thought and lacks either a subject or a predicate. In this example, we do have a subject ('Elizabeth') and a predicate ('did not clean her room'), plus a second clause ('she cannot have dessert'), so it does express a complete idea when read as a whole. Therefore, calling it a fragment would be inaccurate.
Option 3: 'Run-on' — A run-on (or comma splice in some classifications) occurs when two independent clauses are joined inappropriately, such as with just a comma before a conjunctive adverb like 'therefore'. The standard fix would be to insert a semicolon before 'therefore' or to rewrite with a period: 'Elizabeth did not clean her room; therefore, she cannot have dessert.' The given construction uses a comma where a stronger boundary is required, which makes it a run-on. This option correctly identifies the error in punctuation and structure.
In summary, the sentence is best described as a Run-on because it improperly joins two independent clauses with a comma, rather than using a semicolon or period to properly separate them. The alternatives are incorrect because the phrasing fits a complete sentence when punctuated correctly, and it does not lack a subject or verb to constitute a fragment.

位置7的问题 Elizabeth did not clean her room, therefore, she cannot have dessert. SentenceFragmentRun-on

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