There were many talented actors out there just waiting __________.
| A．to discover |
| B．to be discovered |
| C．discovered |
| D．being discovered |
33.The big city has always been the dream career destination of college students. But of late a trend of heading back home ________a part of future job considerations.
| A．has become | B．had become | C．becomes | D．will become |
32. A severe drought over the past months has left 7.5 million people without ________ drinking water in two southwestern Chinese provinces.
| A．frequent | B．private | C．permanent | D．adequate |
31. Stronger and more lasting memories are likely to be formed ________a person is relaxed.
| A．where | B．unless | C．when | D．Although |
30. British scientists said teenagers are programmed to take risks because they enjoy the thrill of dangerous situations________ others.
| A．more than | B．less than | C．other than | D．rather than |
29.Everyone wants to live in a beautiful, comfortable and “livable ” place, but not ________ know where it is.
| A．some | B．either | C．all | D．Both |