of,from,in和on的用法,说句型,

问题描述:

of,from,in和on的用法,说句型,

of .的a book of mine名词所有格a leave of the treefrom从.时间from morning till night地点from Shanghai to Guangzhou固定短语come from,be fromin在.里a light in the roomon在.上面There is a book on the desk...