每日一题

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.

Formerly called manacles or shackles, handcuffs consist of two metal rings joined by a short chain; once fastened shut, it requires a key to open. No error.

(A) Formerly
(B) consist of
(C) joined by
(D) it requires
(E) No error

答案和解析

答案：D

解析：

The error in this sentence occurs at (D), where there is illogical pronoun reference. There is nothing in the sentence to which the singular pronoun "it" can logically refer. The plural pronoun "they" is needed to refer to the plural noun "handcuffs."