单项选择题

2 years,10years,20 years,5 years;……

A．2 years
B．10years
C．20 years
D．5 years

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热门试题

单项选择题A．Doing a bit of acting and photography.B．Going to concerts frequently.C．Playing traditional jazz and folk music.D．Traveling in Europe by hitch-hikin

A．Doing a bit of acting and photography.
B．Going to concerts frequently.
C．Playing traditional jazz and folk music.
D．Traveling in Europe by hitch-hikin

填空题are→were

填空题with→without

填空题with→in

单项选择题A．Climate change and human activities.B．The hunting and culling.C．Fanning and industrializing.D．Mass killing caused by peopl

A．Climate change and human activities.
B．The hunting and culling.
C．Fanning and industrializing.
D．Mass killing caused by peopl