—Do you know the Water Cube at all?—No this is the first time I here.A. have beenB. came

问题补充：

—Do you know the Water Cube at all?

—No, this is the first time I here.

A. have been

B. came

C. was

D. am going

答案：

(答案→)A. have been

B. came

C. was

D. am going

解析：答案：A考查动词时态。句意为：——你知道水立方吗？——不知道，我是第一次来这里。This/It＋be＋序数词＋time＋that从句，从句中要用完成时态，此为固定用法。如be动词为is，则用现在完成时；若be动词为was，则用过去完成时。故答案选A。