1. (2015高一上·蕲春期中) 阅读下面材料，在空白处填入适当的内容(不多于3个单词)或括号内单词的正确形式。
    My name is Wang Kun. Ever since middle school, my sister Wang Wei and I have dreamed about taking a great bike trip. Two years ago she  (buy) an expensive mountain bike and then she persuaded me  ( buy) one. Last year, she visited our cousins, Dao Wei and Yu Hang at their college in Kunming. They are Dai and grew up in western Yunnan Province near  Lancang River, the Chinese part of the river that  (call) the Mekong River in other countries. Wang Wei soon got them interested  cycling too.   graduating from college, we  (final) got the chance to take a bike trip. I asked my sister, “Where are we going?” It was my sister     first had the idea to cycle along the entire Mekong River from where it begins to  it ends. Now she is  (plan) our schedule for the trip.