1.   A Safety Board team was on the scene Monday morning to try to determine the cause of the accident.

2.   A team of experts is at the scene of the accident, trying to determine the cause.

3.   Doctors ran tests to determine the cause of his irregular heartbeat.

4.   Investigators are still trying to determine the cause of the fire.

5.   Investigators are working day in, day out to determine the cause of the crash.

6.   An autopsy will be performed to determine the cause of death.

7.   They were able to determine the cause of the accident by careful reconstruction of the events leading up to it.

8.   Doctors have initiated a series of tests to determine the cause of the problem.

9.   Your task is to determine the cause of her death.