SPOT THE ERROR: More thankless than a serpent's tooth is a ungrateful child.
Correct answer: D. A
- A. Than
- B. Serpent's
- C. Tooth
- D. A
Explanation
Replace "a" with "an"The original sentence is grammatically incorrect because "a" should be replaced with "an" before "ungrateful" to maintain the correct usage of the indefinite article with the vowel sound "u".
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About Prepositions
Prepositions link a noun or pronoun to the rest of the sentence, showing place, time, direction or relation. The difficulty is idiomatic rather than logical: English fixes particular prepositions to particular verbs and adjectives, so “good at,” “married to” and “differ from” have to be learned as units rather than reasoned out.
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