It's a mercy that the building was empty when the fire started. |
Angry fans called him a sellout when he started appearing in television commercials. |
He started yelling and throwing things for no apparent reason. |
The activation energy of the reaction is the amount of energy it takes for the reaction to get started. |
She started the meeting with a brief review of the previous meeting. |
I started eating healthier and added exercise to my daily routine. |