Writing > Identifying Sentence Errors
The following sentence contains either a single error or no error at all. If the sentence contains an error, select the one underlined part that must be changed to make the sentence correct. If the sentence contains no error, select choice E.
1、Unbelievable a (as it may seem), many individuals b (that fought) in the American Revolution c (were still alive) in 1839, d (the year) the world was introduced to photography. e (No error)
Answer Choices
(A) A
(B) B
(C) C
(D) D
(E) E
2、The students a (have discovered) that b (they) can address issues more effectively c (through) letter-writing campaigns d (and not) through public demonstrations. e (No error)
Answer Choices
(A) A
(B) B
(C) C
(D) D
(E) E
3、Besides a (conserving) forest resources, recycling produces fewer pollutants b (than does) the conventional pulping and bleaching processes c (that) are normally used d (to create) paper. e (No error)
Answer Choices
(A) A
(B) B
(C) C
(D) D
(E) E
4、Used a (in place of) buttons, hooks and eyes, b (or) laces, the zipper c (consists of) two rows of plastic or metal teeth d (and bound) to the edges of two strips of fabric. e (No error)
Answer Choices
(A) A
(B) B
(C) C
(D) D
(E) E
Answers：
1、The correct answer is B
Explanation：The error in this sentence occurs at B. The relative pronoun “that” may not be used to refer to people (“individuals”) and should be replaced with the relative pronoun “who.”
2、The correct answer is D
Explanation
The error in this sentence occurs at (D). When a comparison is introduced by the adverb "more," as in "more effectively," the second part of the comparison must be introduced by the conjunction "than" rather than "and not."
The other options contain no errors. In (A), the plural verb "have discovered" agrees with the plural subject "students." In (B), the plural pronoun "they" correctly refers to the plural noun "students." In (C), the preposition "through" appropriately expresses the means by which issues are addressed.
The sentence may be corrected as follows: The students have discovered that they can address issues more effectively through letter-writing campaigns than through public demonstrations.
3、The correct answer is B
Explanation：The error in this sentence occurs at (B), where there is subject-verb disagreement. The singular verb “does” does not agree with the plural noun “processes.” The plural verb “do” is needed instead.
4、The correct answer is D
Explanation：The error in this sentence occurs at (D), where there is awkward and wordy phrasing. The conjunction “and” should be either deleted or replaced by “that are.”
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