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Select from the given options the one that includes a usage error. If all of the options are correct, select "no mistakes."
The correct choice features a very common error of pronoun case, which leads the sentence to incorrectly conclude with a preposition. Rather than using the subjective-case "who" in saying "who I am speaking to," it is correct to use the objective-case "whom." Sentences should never, in academic writing, end with a preposition.
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Select from the given options the one that includes a usage error. If all of the options are correct, select "no mistakes."
The correct answer features inconsistent pronoun usage. Since the sentence first uses the pronoun "one," the sentence must remain consistent in its usage of that pronoun. It is incorrect to follow "one" (when used as a pronoun) with "you." The correct version of the sentence reads, "It is very important to look both ways when one crosses the street because one never knows when a car might come." This question interrogates the principle of consistent pronoun usage. None of the other options included any grammatical errors.
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Select from the given options the one that includes a usage error. If all of the options are correct, select "no mistakes."
The possessive pronouns "hers," "his," "yours," "its," "ours," and "theirs" are never used with apostrophes. None of the other given options contained any grammatical errors.
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