You'd better call him up right away.(改为同义句) You'd better ___ ___ ___ right away.You'd better call him up right away.(改为同义句)You'd better ___ ___ ___ right away.

问题描述:

You'd better call him up right away.(改为同义句) You'd better ___ ___ ___ right away.
You'd better call him up right away.(改为同义句)
You'd better ___ ___ ___ right away.

ring him up:短语,给......打电话

call up him
一样的意义。

改为you'd better ring him up right away.
因为call sb up=ring sb up.都是给某人打电话的意思.
另外再给你延伸一下:call/ring sb 也可以.省略up意思是一样的.