Soap opera can be simply termed "soap", and the name stems from the history of soap manufactures as the shows' sponsors.
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In the US, people work out a lot to keep fit.
A. 对
B. 错
Country music was brought to the US by immigrants from Scotland and Germany.
A. 对
B. 错
The director of the program graduated from Harvard University. He is planning to retire next year. ( Attributive clause )
You went to sleep during the lecture. This suggests that you should go to bed earlier tonight. ( Appositive clause )