---Has the train arrived?
---No, it all will be late half an hour.
| A．at | B．for | C．in | D．by |
30. The No. 5 subway line, ______in October, 2007, has greatly improved the traffic conditions in Beijing.
| A．opened | B．was opened | C．being opened | D．to be opened |
29. I like Mr. Miner's speech; it was clear and______the point.
| A．at | B．on | C．to | D．Of |
28. The firm invested approximately 60 million dollars in________it says is the world’s largest bottle-bottle recycling plant.
| A．that | B．where | C．what | D．How |
27. Little Anna's parents walked slowly, one after________, through the shallow water of a stream to search for her lost bag.
A. the other B_ another C. other D. Others
26. The website is very_____with young people, who like its content and style.
| A．familiar | B．popular | C．similar | D．Interested |