单项选择题

A．where
B．when
C．while
D．then
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单项选择题
A．Apart fromB．In additionC．HoweverD．As well
A．Apart from
B．In addition
C．However
D．As well
单项选择题
A．startedB．set upC．foundedD．organized
A．started
B．set up
C．founded
D．organized
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