单项选择题

A．since
B．if
C．before
D．as
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单项选择题
Where do most British young people spend their spare time
A．Youth clubs.
B．Service groups.
C．Voluntary organizations.
D．Homes.
单项选择题
What do scientists tell us about jobs in foreseeable future
A．Most people will do hi-tech jobs.
B．People will work with more computers.
C．Very few people will have to work.
D．No people will be working at all.
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