单项选择题


A．to be civilized
B．being civilized
C．to be good
D．being good
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单项选择题
A．approveB．appearC．approachD．appeal
A．approve
B．appear
C．approach
D．appeal
单项选择题
A．forwardB．up toC．towardD．up and down
A．forward
B．up to
C．toward
D．up and down
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