赞题库-背景图
单项选择题

A．uses
B．disadvantages
C．others
D．conveniences
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热门试题

单项选择题A．advantagesB．lossC．disadvantagesD．scale

A．advantages
B．loss
C．disadvantages
D．scale

单项选择题A．whichB．thatC．whoD．what

A．which
B．that
C．who
D．what