Climb the mountains was hard work but as we looked around us, we were surprising by the view.

1. Climbing                                                                                         2. surprised

We seemed∧be able to see for miles. At one point we were so high that we found ourselves cycling

               3. to

over clouds. Then we began going down the hills. It was a great fun specially as it gradually became

4. through                                                              5. 去掉a      6. especially

more warmer. In the valleys colourful butterflies flowed around us and we saw many yaks and sheep

7. much                                                          8. flew

eaten green grass. At this point we had to change our caps, coats, gloves and trousers with T-shirts

9. eating                                                                                                              10. for

and shorts.