题目内容：

ring up 与 call有什么区别?
Jim is ringing___his father ____the telephone.
up on.
He____me yesterday when I was not at home.
A.rang up D.called

优质解答

意思是没区别.
但打电话用call就直接是call me,用ring up的话,应该用ring me up.因为代词应该放中间,这个你们考试也有讲过吧.所以上面的第二道选择题要选call.
如果不是代词,如第一题,ring up his father,his father还是放在后面.其实后面的on the telephone可以省略的,这里说出来主要是出题者要考你们介词on的用法而已.
懂了吗?