Ⅰ.语法填空
(2016·陕西省教学质检)When leaving school, I was pleased that my exam results meant that I could study engineering at university. But I also wanted to travel before __1__ (start) my course. A friend of mine told me about the British Exploring Society, an __2__ (organize) which helps students take a gap year (a year between leaving school and going to college). It has three foreign __3__ (journey) a year, taking 16－20yearolds on science and nature trips. I love being outdoors, and a mountaineering trip to Alaska was on offer. So I signed up (报名) __4__ (immediate)．
