Chọn đáp án đúng

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs CORRECTION in each of the following questions from 21 to 25 (0.75 pt)

23. Would you mind if I ask you a question?

A. mind                       B. if                             C. ask                          D. a

24.Those books has been written in English.

A. Those                     B. has                          C. written                    D. in

25. They sing very good. We admire their beautiful voice.

A. very good               B. admire                    C. beautiful                 D. voice