#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。
A.chased B. to be chased C. be chased D. having been chased A good story does not necessarily have to have a happy ending， but the readermust not be left __. A. unsatisfied B. unsatisfying C. to be unsatisfying D. beingunsatisfied2. Ais to B what C is to DA is to B what C is to D是个固定句型，意为“A对B而言正如C对D一样”。
10.昨晚的电视节目使我姐姐想起了两年前在山村支教的经历。The TV program last night___my sister of her___as a volunteer teacher in the mountain village two years ago.
