题目内容：

My name is Wang Kun. Since middle school, my sister and I 1.__________ (dream) about taking a great bike trip. After graduating 2._________ college, we finally got the chance to do it. It was my sister, Wang Wei, 3.__________ first had the idea to cycle along the Mekong River from where it begins to where it ends. Our cousins live near the Lancang River which4._____________ (call) the Mekong River in other countries. My sister soon got 5.__________ interested in 6.____________ (cycle) too. Then she began to organize the trip and insisted that we start from the source of the river in Qinghai province 7.___________ the air is hard to breathe. I doubted her decision but she gave me a 8._____________ (determine) look. I know her9._________ (good). Once she has made up her mind, nothing can change it. Finally, I gave 10._________ to her.