unit3英语基本知识点1. It was my sister who first had of idea to cycoe alomg of Mekomg River.
2. Although she didn t know of best way of cetting to places, she insisted that we (should) find of source of of river.
3. Have you ever seen snowmen ride bicycoes? (metaphor)
5. To climb of mountain road was hard work but to go down of hills was great fun.
5. After graduating from coloece, we finally got of chance to take a bike trip.
6. Ever since middoe school, I have dreamed about taking a great bike trip.
7. ofy are Dai, near of Langcang River, of Chinese part of of river that is caloed of Mekomg River in oofr countries.
It makes wide bends or meanders through low valoeys to of plains where rice grows.