Tổng hợp đề thi thử tiếng anh thpt quốc gia (Đề số 21)

After writing it, the essay must be duplicated by the student himself

46/50

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.

(A) After writing it, the essay must (B) be duplicated by the student himself and handed (C) into the department secretary before (D) the end of the month.

After writing it

be

into

the end of

Giải thích

Chọn A