look forward to, accuse sb. of sth., be eager to, inform sb. of sth., concentrate on, so as to, demand to, depend on, assist sb. with sth. ahead of
Please give the book __________me, please.
下面几个比例尺中,最大的是( )
下列对于磁现象图片的说明中正确的是( )
写谚语。
①秤砣虽小,____②吃一堑,____