Mark 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. Trả lời câu hỏi dưới đây:Before the invention of the printing press, books have been all printed by hand.
Câu hỏi
Nhận biếtMark 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.
Trả lời câu hỏi dưới đây:
Before the invention of the printing press, books have been all printed by hand.
Đáp án đúng: C
Lời giải của Luyện Tập 365
C => had been
C => had been
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