单项选择题

A．in
B．at
C．with
D．to
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B
单项选择题
A．Satisfied with their price.B．Displeased with their quality.C．Pleased with modern mass-production techniques.D．Dissatisfied with their technological complexity.
A．Satisfied with their price.
B．Displeased with their quality.
C．Pleased with modern mass-production techniques.
D．Dissatisfied with their technological complexity.
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