单项选择题

Enormous sums of money have been spent on space exploration．（）

A．Much
B．Large
C．Small
D．Fixed

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单项选择题

While we don’t agree，we continue to befriends（）

A．whoever
B．where
C．Although
D．Whatever

单项选择题

Have you talked to her lately（）

A．lastly
B．finally
C．shortly
D．recently

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