makesureof后加什么？

　　We have James Bond to make sure of that.

　　因為我們有詹姆士·邦德。

　　You must make sure of the time and place.

　　你必須把時間和地點弄清楚。

　　Make sure of your facts before accusing him.

　　要控告他，你得先搞清事實。