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 Each of the musicians in the orchestra were rehear

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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

Each of the musicians in the orchestra were rehearsing daily before the concert tour began

musicians

were

daily

began

Giải thích

Đáp án B

Sửa thành had been. Dùng thì quá khứ hoàn thành để nói về hành động xảy ra liên tục trước 1 thời điểm trong quá khứ