单项选择题


A．are born
B．have been born
C．have being born
D．have been born
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单项选择题
A．thereforeB．thusC．evenD．hence
A．therefore
B．thus
C．even
D．hence
单项选择题
A．a great number ofB．a great numberC．a great deal ofD．a great deal
A．a great number of
B．a great number
C．a great deal of
D．a great deal
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