一、4 8 1 2 1 0 5 7 9 6 3
二、1-3:B A B
三、What,How,by plane,Who,
beaches,mountains
四、略
五、1-5:B B C B B
六、1、How,plane
2、go camping
3、fly
七、1、I am going to go sightseeing.
2、It is too colci for camping in :N/Ioscow.
3、How are they going to Japan?
八、How,foot,by bike,swimming,with,gate,at 8:30 a.m.
九、1、They're going to Xi'an.
2、They're going to stay in a hotel.
3、They're going by train.