Task 4. Fill in the blanks with the correct verb forms and deduce the scientist's name.

James was doing his homework in his bedroom when the earthquake started at 6:15 p.m. He was sitting at his desk when the chair started to move across the floor. When the floor stopped moving, James ran to find his mother. His mother was cooking when the earthquake started. When he found his mother, she was standing in front of the cooker. They decided to look outside. Outside, they saw some trees on the ground and they heard voices calling for help. The hospital was very busy that evening, but nobody died. It wasn’t a very bad earthquake. It only measured 5.5. The scientist's name is Charles Richter.