#大有学问#各位可爱的小伙伴们，欢迎来到我的英语课堂。今天，我们要学习有关英语动词“ing”用法。它其实是一种“现在分词”，表示动作正在进行中。例如：I am writing an article.我正在写文章。它可以作为主语出现。
主要单词: museum博物馆 bookstore书店 cinema电影院 turn 转弯 hospital医院 left向左 post office邮局 science科学 right向右 straight笔直地 crossing十字路口。
The little sheep _ now. 3. She always _ in the evening. 4. Sometimes I _ on the playground. 5. Talk quietly!
17.【2019•北京】If you want to visit the Palace Museum, I _________ tickets for you tomorrow. A. will book B. booked C. have booked D. was booki
