1.Having returned2.先把原来的陈述句改成一般疑问，再用or把另一选项接上去就行了第一步：Is the swiming pool open now？第二布，closed显然和open做选择，Is the swiming pool open or closed now？3.How I enjoy my school life！这是感叹“程度”4.类似think的否定前移？5.knock the book off the desk...
1. Returning （个人觉得returning前加上介词 after 、或 on 更好，不知道万恶的应试答案是什么）2. The swimming pool is open or closed now? 选择疑问句的关键是找到词性对等的那个位置3. How I enjoy my school life!4.不知道想问什么5. kn...
5.Knocked the book from the table.4.(1).后街who，why，what，where等引导的宾语从句（2）。后接that引导的宾语从句，表示“感到惊奇，对......感到惊讶”，that常可以省去。（3）后接if或whether引导的阴雨从句，常用来表示一种委婉的请求或疑问。（4）后接动词不定式短语，表示“感到惊奇；对...
