used to结构 — 英语词汇题
题目
根据句意和首字母提示补全单词。1. My uncle u____ to be thin, but now he is a little fat. 2. My grandma u____ to cook on a fire (火炉), but now she uses an oven. 3. Liu Tao's father u____ to read newspapers for news, but now he reads news on the mobile phone.