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.

Farmers who grow major crops such as corn, rice and wheat, aware that new developments in agricultural production can result in millions of dollars in additional revenue, switching to newer, more efficient technologies. No error

(A) who grow
(B) aware
(C) switching to
(D) more efficient
(E) No error

答案和解析

答案：C

解析：

The error in this sentence occurs at (C). The participle "switching" cannot function as the main verb of the sentence and should be replaced by the present tense verb phrase "are switching."