1. September 10th is _ Day. 2.In autumn after a strong wind, the ground is often covered with fallen_. 首先考虑名词的单、复数，然后注意名词所有格。 考虑动词的时态变化。 3.When you laugh ,you will _ your mouth and your teeth. 5.Summer is the _ season of the year. 注意形容词、副词的比较等级的变化。 4. Last Sunday ，we played _ in the park, though we were very tired. Teachers leaves open happily hottest此处考代词用法。 7. Help _to some fish ，Jim. 8.This book belongs to Mary. It is_. 9.For years, we played other peoples songs, _now we play mostly our own s
