单项选择题

A．When environmental concerns rise.
B．When advertisers are self-regulating themselves.
C．When advertisements become very regulated.
D．When the mainstream also becomes concerned about it.
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单项选择题
A．At a crossroads.B．At a teacher’s office.C．At a bookstore.D．In a library.
A．At a crossroads.
B．At a teacher’s office.
C．At a bookstore.
D．In a library.
单项选择题
A．Because Brazil won the World Cup.B．Because there was always wonderful football matches in Brazil.C．Because the most famous footballer lived in Brazil.D．Because they wanted to learn the best football skills.
A．Because Brazil won the World Cup.
B．Because there was always wonderful football matches in Brazil.
C．Because the most famous footballer lived in Brazil.
D．Because they wanted to learn the best football skills.
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