2012年夏季奥运会在下列哪国召开[ ]
A．法国
B．德国
C．英国
D．意大利
答案：C
We didn't plan our art exhibition like that but it _____ very well.[ ]
A. worked out
B. tried out
C. went on
D. carried on
KY-310型牙轮钻机平衡张紧回路为单阀控制，双缸（）动作。
