下列各句中，表达得体的一句是（ ）

He gave away the company’s commercial secret to another competitor,which means_________. [ ]

round the Water Cube, we were then taken to seethe Bird’s Nest

The story that happened 30 years ago still remains _____ in my mind as if it _____ yesterday. [ ]

na, __________ pressure to pass________ exams gives students the impression that learning comes fromtextbooks