I called the police at once(改为同义句)I ( )a call ( ) the police at

问题描述:

I called the police at once(改为同义句)
I ( )a call ( ) the police at

made to

make a call to sb.给某人打电话...
make a call for sb.帮某人打电话
I ( made )a call ( to ) the police at once

I called the police immediately.
at once 立即、立刻=immediately
按你给的格式是:
I (made) a call (to) the police at once.
call sb.= make a call to sb.