单项选择题
A．It is beyond ordinary people. B．It is part of everyday life. C．It is yet to be fully understood. D．It is a unique human trait.
A．Grey pants made from pure cotton. B．100% cotton pants in dark blue. C．Fashionable pants in bright colors. D．Something to match her brown pants.
A．They are usually magnet schools. B．They are often located in poor neighborhoods. C．They are popular with high-achieving students. D．They are mostly small in size.