VI. Read the passage and choose the letter A, B, C or D to answer these following questions Telephones help people speak to one another when they are
VI. Read the passage and choose the letter A, B, C or D to answer these following questions Telephones help people speak to one another when they are apart. For more than a hundred years, nearly every telephone was a landline. A landline telephone is one that needs to be connected by a wire to … Đọc tiếp