Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction to each of the following questions Trả lời câu hỏi dưới đây:Dr. Frank Conrad's musical radio broadcasts in 1919 led Westinghouse open the first fully licensed commercial broadcasting system in the United States on November 2nd, 1920.
Câu hỏi
Nhận biếtMark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction to each of the following questions
Trả lời câu hỏi dưới đây:
Dr. Frank Conrad's musical radio broadcasts in 1919 led Westinghouse open the first fully licensed commercial broadcasting system in the United States on November 2nd, 1920.
Đáp án đúng: B
Lời giải của Luyện Tập 365
open sửa thành opened
open sửa thành opened
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