How did it ________ that you failed to ________ in time yesterday?

[　　]

When he realized the police had stopped him, the man ________ the exit as quickly as possible.

[　　]

We wanted to get home before dark but it didn't quite ________ as planned.

[　　]

The idea puzzled me so much that I stopped for a few seconds to try to ________.

[　　]

(2006·山东)

A clean environment can help the city bid for the Olympics, which ________ will promote its economic development.

[　　]

I try to ________ current events by reading the newspapers and magazines.

[　　]

Sorry, I can't help you with your English because these days I have been ________.

[　　]

You should ________ hidden dangers.

[　　]

This picture was taken a long time ago. I wonder if you can ________ my father.

[　　]

It's not necessary to ________ because everyone has little time to listen to it.

[　　]