I was out of town at that time, so I don’t know exactly how it ______.

It's the third time ________ late for school this week． 

Public attention at the moment is ______ on the problem of how to create  opportunities for the laid-off workers.

When the old man ______ to walk back to his house, the sun ______ itself behind the mountain. 

We first met on a train in 2000. We both felt immediately that we ______ each other for years.