Marking the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction in each of the following questions from 11 to 15.
When(A) radio programs became(B) popular, approximately(C) around 1925, many people stopped attending(D) movies.
A. When
B. became
C. approximately
D. attending
Đáp án là C.
Approximately và around đều là phó từ (adverb) diễn tả sự ước chừng mức độ nào đó.