Finally he reached a lonely island ________ was completely cut off from the outside world.
| A．when | B．where | C．which | D．whom |
29. He told us that the girl was _______, so we went to save her.
| A．dangerous | B．in danger | C．a danger | D．Endangering |
28. Vitamin D helps our bodies make a special chemical, and this special chemical, _______, affects our brains, making us feel happy.
| A．in turn | B．in particular | C．in return | D．in short |
27. Do you know what use people _______ pines after they’re cut down?
| A．make of | B．make into | C．make up of | D．make from |
26. My parents will move back into town in a year _______
| A．later | B． after |
C．or so | D．About |
25. John, _______ money is no problem, still leads a simple life.
| A．for whose | B．of whose | C．of whom | D．for whom |