Question

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

—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

Answer 1

A

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。