初中英语，求大神解答！！！ 英语改错

1 Taking by coach is more expensive that taking by train
2 Many people like taking a coach
3 You can take a plane
4 It takes a long time to get there by coach
5 Taking by train is cheaper than flying
6 Travelling by train is the cheapest of all
7 Taking the coach is the most slow
8 Flying is the fastest. But it is the most expensive
9 Taking a train is the most comfortable way
10 Taking by plane is the fastest way
11 It is cheaper and more interesting than by train
12 Each way has its good and bad points
13 Taking the train is the most interesting, which only takes 5 hours
14 It takes us 6 hours to go there
15 I like taking by plane best
16 First, you can take a coach
17 It only costs you 200 yuan to buy a ticket
18 Flying is the fastest. But it is the most expensive