of,from,in和on的用法,说句型,

问题：of,from,in和on的用法,说句型,

答案：↓↓↓

童胜勤的回答：

网友采纳　　of.的abookofmine名词所有格aleaveofthetreefrom从.时间frommorningtillnight地点fromShanghaitoGuangzhou固定短语comefrom,befromin在.里alightintheroomon在.上面Thereisabookonthedesk...