______ turned out that an army officer set off the bombs.
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.
32. A severe drought over the past months has left 7.5 million people without ________ drinking water in two southwestern Chinese provinces.
31. Stronger and more lasting memories are likely to be formed ________a person is relaxed.
30. British scientists said teenagers are programmed to take risks because they enjoy the thrill of dangerous situations________ others.
29.Everyone wants to live in a beautiful, comfortable and “livable ” place, but not ________ know where it is.