I often play computer games_____ the Int

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问题选择题

I often play computer games _____ the Internet.[ ]

A. in

B. at

C. on

D. behind

答案

答案：C

填空题

已知ABCD为矩形，AB=3，BC=2，在矩形ABCD内随机取一点P，点P到矩形四个顶点的的距离都大于1的概率为 .

选择题

________ is known to us all that the old scientist, for ________ life was hard in the past, still works very hard in his eighties.[ ]

A．It; whom

B．As; whom

C．As; whose

D．What; whom