. Nobody noticed the thief slip into the house because the lights happened to_________.
I saw Helen at the party last month. It _________ a year since we met last time.
We will do what we can to get the goods _________ on time.
That they would win had been predicted and _________.
Take care! Accidents _________ happen along this part of the road.
That was because the school bus was _________ by a thick fog.