The carpenters tried to (A) join together the pieces of the (B) broken beam, but (C) found it impossible (D) to do.Đoạn văn19/88The carpenters tried to (A) join together the pieces of the (B) broken beam, but (C) found it impossible (D) to do.join togetherbrokenfound it impossibleto doGiải thíchChọn A