2.
1) C
2) B
3) A
3.
1) false
2) true
3) true
4) false
5) false
4.
1) it won't be possible for a long time
2) the tickets are too expensive
3) will become much cheaper in the near future
4) author is neutral
5) If I get a chance to go into space, I suppose that I would use it. It's a fantastic experience, and it's sad to lose an opportunity like that.
