Ôn thi Cấp tốc 789+ vào 10 môn Tiếng Anh (Đề 17)

Television first (17) ______ some fifty years ago in the 1950s. Since then, it (18) ______ one of th...

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Television first (17) ______ some fifty years ago in the 1950s

happened

made

invented

appeared