单项选择题

How many people worldwide have been infected with HIV since the start of the epidemic

A．47 million.
B．4 billion.
C．25 million.
D．44 million.
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单项选择题
What was Wilt Chamberlain determined to do before he retired
A．To break the previous records.
B．To buy a luxury house.
C．To win one more championship for his team.
D．To play against the New York team once again.
单项选择题
What kind of people don’’t need a ticket
A．A group of 4 children.
B．Children not more than 4 years old.
C．Those who ride every day.
D．Those who are free from work.
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